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资源说明：An official Git Mirror of John Burkardt's great collection of FORTRAN 90 Software
# FORTRAN90 Source Codes
+ [alscal](alscal/alscal.html),
a program which
performs M-dimensional scaling of data given interdata distances,
by Forrest Young and Rostyslaw Lewyckyj.
+ [alscal_data_convert](alscal_data_convert/alscal_data_convert.html)
a program which
reads a data file containing object names and distances between objects,
and reformats the data for input to ALSCAL.
+ [anyplt](anyplt/anyplt.html)
a library which
was intended as a simple interface to a variety of graphics packages.
+ [apportionment](apportionment/apportionment.html)
a library which
demonstrates some of the methods
used or proposed for fairly assigning a number of
seats in the House of Representatives to each state;
+ [arby4](arby4/arby4.html)
a program which
analyzes a 2D fluid flow using the reduced basis method.
+ [args](args/args.html)
a program which
reports the command line arguments of a FORTRAN90 program;
+ [arpack](arpack/arpack.html)
a library which
computes eigenvalues for large matrices,
by Richard Lehoucq, Danny Sorensen, Chao Yang;
+ [asa005](asa005/asa005.html)
a library which
evaluates the lower tail of the noncentral Student's T distribution,
by BE Cooper;
this is a FORTRAN90 version of Applied Statistics Algorithm 5;
+ [asa006](asa006/asa006.html)
a library which
computes the Cholesky factor of a positive definite symmetric matrix,
by Michael Healy;
this is a FORTRAN90 version of Applied Statistics Algorithm 6;
+ [asa007](asa007/asa007.html)
a library which
computes the inverse of a positive definite symmetric matrix,
by Michael Healy;
this is a FORTRAN90 version of Applied Statistics Algorithm 7,
+ [asa032](asa032/asa032.html)
a library which
evaluates the incomplete Gamma function,
by G Bhattacharjee;
this is a FORTRAN90 version of Applied Statistics Algorithm 32;
+ [asa047](asa047/asa047.html)
a library which
minimizes a scalar function of several variables using the Nelder-Mead algorithm,
by R ONeill;
this is a FORTRAN90 version of Applied Statistics Algorithm 47;
+ [asa058](asa058/asa058.html)
a library which
carries out clustering of data,
by David Sparks;
this is a FORTRAN90 version of Applied Statistics Algorithm 58;
+ [asa063](asa063/asa063.html)
a library which
evaluates the incomplete Beta function,
by KL Majumder and G Bhattacharjee;
this is a FORTRAN90 version of Applied Statistics Algorithm 63;
+ [asa066](asa066/asa066.html)
a library which
computes the cumulative density function (CDF) of the standard normal distribution,
by David Hill;
this is a FORTRAN90 version of Applied Statistics Algorithm 66;
+ [asa076](asa076/asa076.html)
a library which
evaluates Owen's T function,
by Young and Minder;
this is a FORTRAN90 version of Applied Statistics Algorithm 76;
+ [asa091](asa091/asa091.html)
a library which
computes the percentage points of the Chi-square distribution,
by Best and Roberts;
this is a FORTRAN90 version of Applied Statistics Algorithm 91;
+ [asa103](asa103/asa103.html)
a library which
evaluates the digamma or psi function,
by Jose Bernardo;
this is a FORTRAN90 version of Applied Statistics Algorithm 103;
+ [asa109](asa109/asa109.html)
a library which
inverts the incomplete Beta function,
by Cran, Martin and Thomas;
this is a FORTRAN90 version of Applied Statistics Algorithm 109;
+ [asa111](asa111/asa111.html)
a library which
evaluates the percentage points of the normal distribution,
by Beasley and Springer;
this is a FORTRAN90 version of Applied Statistics Algorithm 111;
+ [asa113](asa113/asa113.html)
a library which
clusters data using a transfer and swap algorithm,
by Banfield and Bassill;
this is a FORTRAN90 version of Applied Statistics Algorithm 113;
+ [asa121](asa121/asa121.html)
a library which
evaluates the trigamma function,
by BE Schneider;
this is a FORTRAN90 version of Applied Statistics Algorithm 121;
+ [asa136](asa136/asa136.html)
a library which
implements a clustering algorithm,
by Hartigan and Wong;
this is a FORTRAN90 version of Applied Statistics Algorithm 136;
+ [asa144](asa144/asa144.html)
a library which
randomly generates tables with given row and column sums,
by James Boyett;
this is a FORTRAN90 version of Applied Statistics Algorithm 144;
+ [asa147](asa147/asa147.html)
a library which
evaluates the incomplete Gamma function,
by Chi Leung Lau;
this is a FORTRAN90 version of Applied Statistics Algorithm 147;
+ [asa152](asa152/asa152.html)
a library which
evaluates the probability density function (PDF) and cumulative density function (CDF)
associated with the
hypergeometric distribution,
by Richard Lund;
this is a FORTRAN90 version of Applied Statistics Algorithm 152;
+ [asa159](asa159/asa159.html)
a library which
computes a random table with given row and column sums,
by Michael Patefield;
this is a FORTRAN90 version of Applied Statistics Algorithm 159;
+ [asa172](asa172/asa172.html)
a library which
generates all multidimensional indices in a given range,
simulating the behavior of an arbitrary number of nested loops,
by OFlaherty and MacKenzie;
this is a FORTRAN90 version of Applied Statistics Algorithm 172;
+ [asa183](asa183/asa183.html)
a library which
implements a pseudorandom number generator,
by Wichman and Hill;
this is a FORTRAN90 version of Applied Statistics Algorithm 183;
+ [asa189](asa189/asa189.html)
a library which
estimates the parameters of a beta binomial distribution based on a sample
of values generated by the distribution, by D Smith;
this is a FORTRAN90 version of Applied Statistics Algorithm 189;
+ [asa205](asa205/asa205.html)
a library which
generates tables with given row and column sums;
this is a FORTRAN90 version of Applied Statistics Algorithm 205;
+ [asa226](asa226/asa226.html)
a library which
evaluates the noncentral incomplete Beta function,
by Russell Lenth;
this is a FORTRAN90 version of Applied Statistics Algorithm 226;
+ [asa239](asa239/asa239.html)
a library which
evaluates the incomplete Gamma function,
by Shea;
this is a FORTRAN90 version of Applied Statistics Algorithm 239;
+ [asa241](asa241/asa241.html)
a library which
computes the inverse of the normal cumulative density function (CDF),
by Michael Wichura;
this is a FORTRAN90 version of Applied Statistics Algorithm 241;
+ [asa243](asa243/asa243.html)
a library which
evaluates the lower tail of the noncentral Student's T distribution,
by Russell Lenth;
this is a FORTRAN90 version of Applied Statistics Algorithm 243;
+ [asa245](asa245/asa245.html)
a library which
evaluates the logarithm of the Gamma function,
by Allan Mcleod;
this is a FORTRAN90 version of Applied Statistics Algorithm 245;
+ [asa266](asa266/asa266.html)
a library which
evaluates various properties of the Dirichlet probability density function (PDF);
this is a FORTRAN90 version of Applied Statistics Algorithm 266;
+ [asa299](asa299/asa299.html)
a library which
computes the lattice points
(integer coordinates) in an M-dimensional simplex,
by Chasalow and Brand;
this is a FORTRAN90 version of Applied Statistics Algorithm 299;
+ [asa310](asa310/asa310.html)
a library which
evaluates the noncentral incomplete Beta function,
by Chattamvelli and Shanmugam;
this is a FORTRAN90 version of Applied Statistics Algorithm 310;
+ [ball_grid](ball_grid/ball_grid.html)
a library which
computes grid points inside a 3D ball.
+ [ball_volume_monte_carlo](ball_volume_monte_carlo/ball_volume_monte_carlo.html)
a program which
applies a Monte Carlo procedure to estimate the volume of the
M-dimensional unit ball;
+ [ball_volume_quad](ball_volume_quad/ball_volume_quad.html)
a program which
applies a quadrature rule to estimate the volume of the unit ball in 6D;
+ [band_qr](band_qr/band_qr.html)
a library which
computes the QR factorization of a banded matrix, and can solve
related linear systems,
by Alfredo Remon, Enrique Quintana-Orti, Gregorio Quintana-Orti.
+ [bar_plot](bar_plot/bar_plot.html)
a library which
creates RGB color arrays for data that represents a sort of bar plot
(several Y values for each X value).
+ [barycentric_interp_1d](barycentric_interp_1d/barycentric_interp_1d.html)
a library which
defines and evaluates the barycentric Lagrange polynomial p(x)
which interpolates a set of data, so that p(x(i)) = y(i).
The barycentric approach means that very high degree polynomials can
safely be used.
+ [basis_compare](basis_compare/basis_compare.html)
a program which
compares two sets, each containing N
orthonormal M-dimensional vectors, to see if they span the same
subspace.
+ [bayes_beta](bayes_beta/bayes_beta.html)
a program which
uses Bayesian analysis to estimate the parameters in a beta distribution
based on a series of sample data.
+ [bayes_dice](bayes_dice/bayes_dice.html)
a program which
uses Bayesian analysis to adjust a model of loaded dice
based on a sequence of experimental observations.
+ [bayes_weight](bayes_weight/bayes_weight.html)
a program which
uses Bayesian analysis to adjust a model of loaded dice
based on a sequence of experimental observations.
+ [bdmlib](bdmlib/bdmlib.html)
a library which
estimates the weights in a Dirichlet mixtured based on sample data;
+ [bernstein](bernstein/bernstein.html)
a library which
evaluates the Bernstein polynomials;
+ [beta_nc](beta_nc/beta_nc.html)
a library which
evaluates the cumulative density function (CDF) of the noncentral Beta distribution;
+ [bezier_surface](bezier_surface/bezier_surface.html)
a library which
reads, writes, prints and manipulates
the data that defines a Bezier surface;
+ [bins](bins/bins.html)
a library which
orders, sorts and searches data using bins;
+ [bisection_integer](bisection_integer/bisection_integer.html)
a library which
seeks an integer solution to the equation F(X)=0,
using bisection within a user-supplied change of sign inter+al [A,B].
+ [black_scholes](black_scholes/black_scholes.html)
a library which
implements some simple approaches to
the Black-Scholes option valuation theory,
by Desmond Higham.
+ [blacs](blacs/blacs.html)
a library which
sets up the necessary communication for a linear algebra computation
on any of a variety of distributed memory clusters.
+ [blas](blas/blas.html)
a library which
contains the Basic Linear Algebra Subprograms (BLAS)
for level 1, 2 and 3, for single and double precision,
and for real and complex arithmetic.
+ [blas1](blas1/blas1.html)
a library which
contains the Basic Linear Algebra Subprograms (BLAS)
for level 1 (vector-vector operations), for single and double precision,
and for real and complex arithmetic,
by Charles Lawson, Richard Hanson, David Kincaid, Fred Krogh.
+ [blas1_c](blas1_c/blas1_c.html)
a library which
constitutes the Level 1 Basic Linear Algebra Subprograms (BLAS),
using single precision complex arithmetic,
by Charles Lawson, Richard Hanson, David Kincaid, Fred Krogh.
+ [blas1_d](blas1_d/blas1_d.html)
a library which
constitutes the Level 1 Basic Linear Algebra Subprograms (BLAS),
using double precision real arithmetic,
by Charles Lawson, Richard Hanson, David Kincaid, Fred Krogh.
+ [blas1_s](blas1_s/blas1_s.html)
a library which
constitutes the Level 1 Basic Linear Algebra Subprograms (BLAS),
using single precision real arithmetic,
by Charles Lawson, Richard Hanson, David Kincaid, Fred Krogh.
+ [blas1_z](blas1_z/blas1_z.html)
a library which
constitutes the Level 1 Basic Linear Algebra Subprograms (BLAS),
using double precision complex arithmetic,
by Charles Lawson, Richard Hanson, David Kincaid, Fred Krogh.
+ [blas2](blas2/blas2.html)
a library which
constitutes the Level 2 Basic Linear Algebra Subprograms (BLAS);
+ [blas3](blas3/blas3.html)
a library which
constitutes the Level 3 Basic Linear Algebra Subprograms (BLAS);
+ [blend](blend/blend.html)
a library which
carries out 1D/2D/3D blending interpolation;
+ [box_behnken](box_behnken/box_behnken.html)
a library which
computes a Box-Behnken design,
that is, a set of arguments to sample the behavior
of a function of multiple parameters;
+ [brent](brent/brent.html)
a library which
contains routines for finding zeroes or minima of a scalar
function of a scalar variable, without the use of derivative information,
by Richard Brent.
+ [brownian_motion_simulation](brownian_motion_simulation/brownian_motion_simulation.html)
a library which
simulates Brownian motion in an M-dimensional region.
+ [bt_serial](bt_serial/bt_serial.html)
a program which
is a serial version of the NAS Parallel Benchmark BT
(block tridiagonal solver for a 3D PDE).
+ [bump](bump/bump.html)
a program which
computes the steady 2D incompressible
Navier-Stokes flow in a channel that includes a variable bump;
+ [burgers_solution](burgers_solution/burgers_solution.html)
a library which
evaluates an exact solution of the time-dependent 1D viscous Burgers equation.
+ [bvls](bvls/bvls.html)
a library which
applies least squares methods to solve a linear system for which
lower and upper constraints may have been placed on every variable,
by Charles Lawson and Richard Hanson.
+ [c4lib](c4lib/c4lib.html)
a library which
implements certain elementary functions for
single precision complex variables;
+ [c8lib](c8lib/c8lib.html)
a library which
implements certain elementary functions for double precision complex variables;
+ [calendar_nyt](calendar_nyt/calendar_nyt.html)
a library which
shows the correspondence between dates and the New York Times volume and
issue number;
+ [calpak](calpak/calpak.html)
a library which
makes various calendar calculations;
+ [ccn_rule](ccn_rule/ccn_rule.html)
a program which
defines a nested Clenshaw Curtis quadrature rule.
+ [ccvt_box](ccvt_box/ccvt_box.html)
a program which
calculates a Centroidal Voronoi Tessellation (CVT) constrained to a box
region, with points projected to the boundary;
+ [ccvt_reflect](ccvt_reflect/ccvt_reflect.html)
a program which
carries out a Centroidal Voronoi Tessellation (CVT) calculation that tries to include
points on the boundary as well as the interior, using a natural
(nonparametric) technique;
+ [cell](cell/cell.html)
a library which
defines a cell array, a generalization of an array which
can compactly store and retrieve vector or matrix data of
varying size, such as the rows of a triangular matrix.
+ [cg_serial](cg_serial/cg_serial.html)
a program which
is a serial version of the NAS Parallel Benchmark CG
(conjugate gradient solver).
+ [channel](channel/channel.html)
a program which
uses a finite element model of time independent
viscous incompressible flow in a 2D channel;
+ [chebyshev](chebyshev/chebyshev.html)
a library which
computes the Chebyshev interpolant/approximant to a given function
over an interval.
+ [chebyshev_interp_1d](chebyshev_interp_1d/chebyshev_interp_1d.html)
a library which
determines the combination of Chebyshev polynomials which
interpolates a set of data, so that p(x(i)) = y(i).
+ [chebyshev_polynomial](chebyshev_polynomial/chebyshev_polynomial.html)
a library which
evaluates the Chebyshev polynomial and associated functions.
+ [chebyshev1_rule](chebyshev1_rule/chebyshev1_rule.html)
a program which
computes and writes out a Gauss-Chebyshev type 1 quadrature rule of given order.
+ [chebyshev2_rule](chebyshev2_rule/chebyshev2_rule.html)
a program which
computes and writes out a Gauss-Chebyshev type 2 quadrature rule of given order.
+ [chrpak](chrpak/chrpak.html)
a library which
manipulates characters and strings;
+ [circle_arc_grid](circle_arc_grid/circle_arc_grid.html)
a program which
computes grid points along a circular arc.
+ [circle_grid](circle_grid/circle_grid.html)
a library which
computes grid points inside a circle.
+ [circle_test](circle_test/circle_test.html)
a program which
performs a circle-spacing test on sets of points;
+ [cities](cities/cities.html)
a library which
works with city-to-city distance matrices;
+ [clenshaw_curtis_rule](clenshaw_curtis_rule/clenshaw_curtis_rule.html)
a program which
implements a Clenshaw Curtis quadrature rule;
+ [cluster_energy](cluster_energy/cluster_energy.html)
a program which
computes the minimal cluster energy of a set of points;
+ [cnf_io](cnf_io/cnf_io.html)
a library which
reads or writes CNF data files, used to store boolean formulas in
conjunctive normal form.
+ [codepack](codepack/codepack.html)
a library which
computes graph codes to compare two graphs;
+ [collatz_recursive](collatz_recursive/collatz_recursive.html)
a library which
demonstrates recursive programming by considering the simple Collatz 3n+1 problem.
+ [colored_noise](colored_noise/colored_noise.html)
a library which
generates samples of noise obeying a 1/f^alpha power law.
+ [colors](colors/colors.html)
a library which
converts between various formats for describing colors;
+ [combination_lock](combination_lock/combination_lock.html)
a program which
simulates the process of determining the secret combination of a lock.
+ [combo](combo/combo.html)
a library which
includes routines for ranking, unranking, enumerating and randomly selecting
balanced sequences, cycles, graphs, Gray codes, subsets, partitions,
permutations, restricted growth functions, Pruefer codes and trees.
+ [communicator_mpi](communicator_mpi/communicator_mpi.html)
a program which
creates new communicators involving a subset of initial
set of MPI processes in the default communicator MPI_COMM_WORLD.
+ [compass_search](compass_search/compass_search.html)
a library which
seeks the minimizer of a scalar function of several variables
using compass search, a direct search algorithm that does not use derivatives.
+ [complex_numbers](complex_numbers/complex_numbers.html)
a program which
demonstrates some simple features involved in the use of
complex numbers in FORTRAN90 programming.
+ [condition](condition/condition.html)
a library which
implements methods of computing or estimating the condition number of a matrix.
+ [cordic](cordic/cordic.html)
a library which
computes a few special functions using the CORDIC algorithm.
+ [correlation](correlation/correlation.html)
a library which
contains examples of statistical correlation functions.
+ [crystal](crystal/crystal.html)
a program which
simulates axisymmetric
silicon crystal growth under the Czochralski process;
+ [crystal_coordinates](crystal_coordinates/crystal_coordinates.html)
a program which
generates the spatial coordinates
of a slab of points in 3D, using face-centered cubic (FCC) symmetry; these coordinates
may be used for initialization of a molecular dynamics program;
+ [crystal_plot](crystal_plot/crystal_plot.html)
a program which
creates plots of the output of the crystal or crystal_qed programs.
+ [crystal_qed](crystal_qed/crystal_qed.html)
a program which
seeks to minimize a certain objective function during the growth of
a silicon crystal under the Czochralski process.
+ [csv_io](csv_io/csv_io.html)
a library which
reads and writes files that use the Comma Separated Value (CSV) format.
+ [cubpack](cubpack/cubpack.html)
a library which
estimates the integral of a function
(or vector of functions) over a collection of M-dimensional
hyperrectangles and simplices,
by Alan Genz and Ronald Cools.
+ [cvt](cvt/cvt.html)
a library which
computes an N point
Centroidal Voronoi Tessellation (CVT) in M dimensions;
+ [cvt_basis](cvt_basis/cvt_basis.html)
a program which
uses discrete Centroidal Voronoi Tessellation (CVT) techniques to produce a
small set of basis vectors that are good cluster centers for a
large set of data vectors;
+ [cvt_basis_flow](cvt_basis_flow/cvt_basis_flow.html)
a program which
uses Centroidal Voronoi Tessellation (CVT)
techniques to extract a small set of representative behaviors
from a large set of solutions of a partial differential equation (PDE)
representing fluid flow;
+ [cvt_dataset](cvt_dataset/cvt_dataset.html)
a program which
creates a Centroidal Voronoi Tessellation (CVT) dataset;
+ [cvt_fixed](cvt_fixed/cvt_fixed.html)
a library which
computes a Centroidal Voronoi Tessellation (CVT),
built on top of cvt_size, which allows the user to fix
the location of some generators;
+ [cvt_fixed2](cvt_fixed2/cvt_fixed2.html)
a library which
implements a version of the Centroidal Voronoi Tessellation (CVT)
algorithm which allows the user to fix some points;
+ [cvt_mod](cvt_mod/cvt_mod.html)
a library which
creates a Centroidal Voronoi Tessellation (CVT)
dataset on the unit square with no boundaries (a logical torus);
+ [cvt_mod_dataset](cvt_mod_dataset/cvt_mod_dataset.html)
a program which
creates a Centroidal Voronoi Tessellation (CVT) dataset on the unit square
with no boundaries (a logical torus);
+ [cvt_movie5_data](cvt_movie5_data/cvt_movie5_data.html)
a program which
creates and saves data of a
Centroidal Voronoi Tessellation (CVT) iteration, for use in a movie;
+ [cvt_refine](cvt_refine/cvt_refine.html)
a library which
investigates how to refine a Centroidal Voronoi Tessellation (CVT)
by fixing the current points and adding new ones;
+ [cvt_size](cvt_size/cvt_size.html)
a library which
controls Centroidal Voronoi Tessellation (CVT) cell sizes by specifying
a weight function associated with each cell;
+ [cvt_tet_mesh](cvt_tet_mesh/cvt_tet_mesh.html)
a program which
constructs a Centroidal Voronoi Tessellation (CVT) for a region specified
by the TEST_TET_MESH library;
+ [cvt_triangulation](cvt_triangulation/cvt_triangulation.html)
a program which
constructs a Centroidal Voronoi Tessellation (CVT) for a region specified
by the TEST_TRIANGULATION library;
+ [cvt_weight](cvt_weight/cvt_weight.html)
a library which
tried to control Centroidal Voronoi Tessellation (CVT) cell sizes
by specifying a weight function associated with each cell;
+ [cycle_brent](cycle_brent/cycle_brent.html)
a library which
carries out an iterated function evaluation, and seeks to determine the
nearest element of a cycle, and the cycle's length, using Brent's method.
+ [cycle_floyd](cycle_floyd/cycle_floyd.html)
a library which
carries out an iterated function evaluation, and seeks to determine the
nearest element of a cycle, and the cycle's length, using Floyd's method.
+ [cyclic_reduction](cyclic_reduction/cyclic_reduction.html)
a library which
solves a tridiagonal linear system using cyclic reduction;
+ [dcdflib](dcdflib/dcdflib.html)
a library which
evaluates and inverts the cumulative density function (CDF)
associated with various probability distributions,
by Barry Brown, James Lovato, Kathy Russell.
+ [delaunay_lmap_2d](delaunay_lmap_2d/delaunay_lmap_2d.html)
a program which
reads a set of N points in 2 dimensions and writes out the Delaunay triangulation
of the data after it is implicitly transformed by a linear map;
+ [diaphony](diaphony/diaphony.html)
a program which
reads a file of N points in M dimensions and computes its diaphony, a measure
of point dispersion.
+ [dijkstra](dijkstra/dijkstra.html)
a program which
runs a simple example of Dijkstra's minimum distance algorithm for graphs.
+ [dijkstra_openmp](dijkstra_openmp/dijkstra_openmp.html)
a program which
uses OpenMP to parallelize a simple example of Dijkstra's
minimum distance algorithm for graphs.
+ [discrete_pdf_sample](discrete_pdf_sample/discrete_pdf_sample.html)
a program which
demonstrates how to construct a Probability Density Function (PDF)
from a table of sample data, and then to use that PDF to create new samples.
+ [dislin](dislin/dislin.html)
programs which
illustrate the use of a scientific plotting package;
+ [distance_to_position](distance_to_position/distance_to_position.html)
a program which
estimates the positions of cities based on a city-to-city distance table.
+ [distances](distances/distances.html)
a program which
reads a multiple alignment file (perhaps preprocessed by read_align)
and creates a distance matrix suitable for a principal component
analysis by the spacer program.
+ [divdif](divdif/divdif.html)
a library which
uses divided differences to compute the polynomial interpolant
to a given set of data.
+ [dlap](dlap/dlap.html)
a library which
solves linear systems involving a large sparse matrix,
by Anne Greenbaum and Mark Seager.
+ [dlap_io](dlap_io/dlap_io.html)
a library which
reads and writes DLAP sparse matrix files;
+ [doomsday](doomsday/doomsday.html)
a library which
is given the year, month and day of a date, and uses
John Conway's doomsday algorithm to determine the corresponding day of the week.
+ [dqed](dqed/dqed.html)
a library which
solves bounded and constrained least
squares problems and systems of nonlinear equations,
by Richard Hanson and Fred Krogh;
+ [dsp_to_st](dsp_to_st/dsp_to_st.html)
a program which
converts a sparse matrix file from
DSP format
(one-based indices) to Sparse Triplet (ST) format (zero-based indices);
+ [duel_simulation](duel_simulation/duel_simulation.html)
a program which
simulates N repetitions of a duel between two players, each of
whom has a known firing accuracy.
+ [dunavant](dunavant/dunavant.html)
a library which
defines Dunavant quadrature rules in a triangle;
+ [dutch](dutch/dutch.html)
a library which
performs certain tasks in computational geometry;
+ [eispack](eispack/eispack.html)
a library which
carries out eigenvalue computations.
It includes a function to compute the singular value decomposition (SVD)
of a rectangular matrix.
This library was superseded by LAPACK;
+ [ellipse_grid](ellipse_grid/ellipse_grid.html)
a library which
computes grid points inside an ellipse.
+ [ellipsoid_grid](ellipsoid_grid/ellipsoid_grid.html)
a library which
computes grid points inside a 3D ellipsoid.
+ [ep_serial](ep_serial/ep_serial.html)
a program which
is a serial version of the NAS Embarassingly Parallel (EP) benchmark program.
+ [errors](errors/errors.html)
programs which
illustrate the failure of numerical algorithms;
+ [extract](extract/extract.html)
a program which
extracts one routine from a FORTRAN77 or FORTRAN90 file;
+ [f77_cleanup](f77_cleanup/f77_cleanup.html)
a program which
makes some minor improvements to the
text of a FORTRAN77 file;
+ [f77_to_f90](f77_to_f90/f77_to_f90.html)
a program which
converts a FORTRAN77 file to FORTRAN90 format,
by Michael Metcalfe;
+ [f90](f90/f90.html)
programs which
illustrate the use of various FORTRAN90 programming features;
+ [f90_calls_c](f90_calls_c/f90_calls_c.html)
programs which
illustrates how a FORTRAN90 program can call a C function.
+ [f90_calls_c_and_mpi](f90_calls_c_and_mpi/f90_calls_c_and_mpi.html)
programs which
illustrate how a FORTRAN90 program can call a C function while
executing under the MPI parallel programming environment.
+ [f90_calls_c++](f90_calls_c++/f90_calls_c++.html)
programs which
illustrate how a FORTRAN90 program can call a C++ function.
+ [f90_calls_c++_and_mpi](f90_calls_c++_and_mpi/f90_calls_c++_and_mpi.html)
programs which
illustrate how a FORTRAN90 program can call a C++ function while
executing under the MPI parallel programming environment.
+ [f90_calls_matlab](f90_calls_matlab/f90_calls_matlab.html)
programs which
illustrate how a FORTRAN90 program can interact with MATLAB;
+ [f90_intrinsics](f90_intrinsics/f90_intrinsics.html)
programs which
illustrate the use of various FORTRAN90 intrinsic functions
and subroutines;
+ [f90_random](f90_random/f90_random.html)
programs which
illustrate the use of FORTRAN90's random number generator routines.
+ [f90split](f90split/f90split.html)
a program which
splits FORTRAN77 or FORTRAN90 source into individual files;
+ [fair_dice_simulation](fair_dice_simulation/fair_dice_simulation.html)
a program which
simulates N tosses of 2 dice, making a histogram of the results.
+ [faure](faure/faure.html)
a library which
computes elements of the Faure quasirandom M-dimensional
sequence;
+ [faure_dataset](faure_dataset/faure_dataset.html)
a program which
creates a Faure quasirandom dataset;
+ [fd_predator_prey](fd_predator_prey/fd_predator_prey.html)
a program which
solves a pair of predator prey ordinary differential equations (ODE's)
using a finite difference approximation.
+ [fd1d_burgers_lax](fd1d_burgers_lax/fd1d_burgers_lax.html)
a program which
applies the finite difference method and the Lax Wendroff method
to solve the non-viscous time-dependent Burgers equation in one spatial dimension.
+ [fd1d_burgers_leap](fd1d_burgers_leap/fd1d_burgers_leap.html)
a program which
applies the finite difference method and the leapfrog approach
to solve the non-viscous time-dependent Burgers equation in one spatial dimension.
+ [fd1d_bvp](fd1d_bvp/fd1d_bvp.html)
a program which
applies the finite difference method
to a two point boundary value problem in one spatial dimension.
+ [fd1d_heat_explicit](fd1d_heat_explicit/fd1d_heat_explicit.html)
a library which
implements a finite difference solution, explicit in time, of the
time dependent 1D heat equation;
+ [fd1d_heat_implicit](fd1d_heat_implicit/fd1d_heat_implicit.html)
a program which
implements a finite difference solution, implicit in time, of the
time dependent 1D heat equation;
+ [fd1d_heat_steady](fd1d_heat_steady/fd1d_heat_steady.html)
a program which
implements a finite difference solution for the steady
(time independent) 1D heat equation;
+ [fd1d_predator_prey](fd1d_predator_prey/fd1d_predator_prey.html)
a program which
implements a finite difference
algorithm for a 1D predator-prey system;
+ [fd1d_wave](fd1d_wave/fd1d_wave.html)
a program which
applies the finite difference method to solve the time-dependent
wave equation utt = c * uxx in one spatial dimension.
+ [fd2d_predator_prey](fd2d_predator_prey/fd2d_predator_prey.html)
a program which
implements a finite difference algorithm for a 2D predator-prey system,
by Marcus Garvie.
+ [fekete](fekete/fekete.html)
a library which
returns Fekete rules for interpolation or quadrature in a triangle;
+ [felippa](felippa/felippa.html)
a library which
defines quadrature rules for lines, triangles, quadrilaterals,
pyramids, wedges, tetrahedrons and hexahedrons.
+ [fem_basis](fem_basis/fem_basis.html)
a library which
can define and evaluate basis functions for any degree
in an M-dimensional simplex (1D interval, 2D triangle,
3D tetrahedron, and higher dimensional generalizations.)
+ [fem_io](fem_io/fem_io.html)
a library which
reads or writes FEM files,
(three text files describing a finite element model);
+ [fem_to_mesh](fem_to_mesh/fem_to_mesh.html)
a program which
reads a pair of FEM files defining node coordinates and elements,
and creates a corresponding MESH file.
+ [fem_to_tec](fem_to_tec/fem_to_tec.html)
a program which
reads a set of FEM files
(node coordinates/elements/node data)
of finite element information and writes an equivalent TECPLOT file.
+ [fem1d](fem1d/fem1d.html)
a program which
applies the finite element method,
using piecewise linear basis functions, to a linear
two point boundary value problem in 1D;
+ [fem1d_adaptive](fem1d_adaptive/fem1d_adaptive.html)
a program which
uses an adaptive mesh when
applying the finite element method,
with piecewise linear basis functions, to a linear
two point boundary value problem in 1D;
+ [fem1d_bvp_linear](fem1d_bvp_linear/fem1d_bvp_linear.html)
a program which
applies the finite element method, with piecewise linear elements,
to a two point boundary value problem in one spatial dimension,
and compares the computed and exact solutions
with the L2 and seminorm errors.
+ [fem1d_heat_steady](fem1d_heat_steady/fem1d_heat_steady.html)
a program which
implements the finite element method for the steady
(time independent) 1D heat equation;
+ [fem1d_nonlinear](fem1d_nonlinear/fem1d_nonlinear.html)
a program which
applies the finite element method,
with piecewise linear basis functions, to a nonlinear
two point boundary value problem in 1D;
+ [fem1d_pack](fem1d_pack/fem1d_pack.html)
a library which
contains utilities for 1D finite element calculations.
+ [fem1d_pmethod](fem1d_pmethod/fem1d_pmethod.html)
a program which
applies the p-method version of
the finite element method to a linear
two point boundary value problem in 1D;
+ [fem1d_project](fem1d_project/fem1d_project.html)
a program which
projects data into a finite element space, including the least squares
approximation of data, or the projection of a finite element solution
from one mesh to another.
+ [fem1d_sample](fem1d_sample/fem1d_sample.html)
a program which
samples a scalar or vector finite element function of one variable,
defined by FEM files,
returning interpolated values at the sample points.
+ [fem2d_heat](fem2d_heat/fem2d_heat.html)
a program which
uses the finite element method and the backward
Euler method to solve the time-dependent heat equation
on an arbitrary triangulated region in 2D. (The user supplies
some information in some problem-dependent subroutines.)
+ [fem2d_heat_rectangle](fem2d_heat_rectangle/fem2d_heat_rectangle.html)
a program which
implements the finite element
method for the time dependent heat equation on a triangulated
square in 2D;
+ [fem2d_heat_square](fem2d_heat_square/fem2d_heat_square.html)
a library which
defines the geometry of a square region, as well as boundary and initial
conditions for a given heat problem, and is called by fem2d_heat
as part of a solution procedure.
+ [fem2d_navier_stokes](fem2d_navier_stokes/fem2d_navier_stokes.html)
a program which
uses the finite element
method to solve the steady incompressible Navier Stokes equations
on an arbitrary triangulated region in 2D (The user supplies
some information in some problem-dependent subroutines.)
+ [fem2d_navier_stokes_cavity](fem2d_navier_stokes_cavity/fem2d_navier_stokes_cavity.html)
a library which
contains the user-supplied routines necessary to run
fem2d_navier_stokes on the cavity problem.
+ [fem2d_navier_stokes_channel](fem2d_navier_stokes_channel/fem2d_navier_stokes_channel.html)
a library which
contains the user-supplied routines necessary to run
fem2d_navier_stokes on the channel problem.
+ [fem2d_navier_stokes_inout](fem2d_navier_stokes_inout/fem2d_navier_stokes_inout.html)
a library which
contains the user-supplied routines necessary to run
fem2d_navier_stokes on the inout problem.
+ [fem2d_pack](fem2d_pack/fem2d_pack.html)
a library which
implements simple 2D finite element calculations;
+ [fem2d_poisson](fem2d_poisson/fem2d_poisson.html)
a program which
uses the finite element method to solve
Poisson's equation on an arbitrary triangulated region in 2D;
(The user supplies
some information in some problem-dependent subroutines.)
+ [fem2d_poisson_ell](fem2d_poisson_ell/fem2d_poisson_ell.html)
a library which
defines the geometry of an L-shaped region, as well as boundary
conditions for a given Poisson problem, and is called by
fem2d_poisson as part of a solution procedure.
+ [fem2d_poisson_lake](fem2d_poisson_lake/fem2d_poisson_lake.html)
a library which
defines the geometry of a lake-shaped region, as well as boundary
conditions for a given Poisson problem, and is called by
fem2d_poisson as part of a solution procedure.
+ [fem2d_poisson_rectangle](fem2d_poisson_rectangle/fem2d_poisson_rectangle.html)
a program which
solves the 2D Poisson equation on a rectangle,
using the finite element method,
and piecewise quadratic triangular elements.
+ [fem2d_poisson_rectangle_linear](fem2d_poisson_rectangle_linear/fem2d_poisson_rectangle_linear.html)
a program which
solves the 2D Poisson equation on a rectangle,
using the finite element method,
and piecewise linear triangular elements.
+ [fem2d_poisson_sparse](fem2d_poisson_sparse/fem2d_poisson_sparse.html)
a program which
uses the finite element method to solve
Poisson's equation on an arbitrary triangulated region in 2D;
(This is a version of fem2d_poisson which replaces
the banded storage and direct solver by a sparse storage format
and an iterative solver.)
+ [fem2d_poisson_sparse_ell](fem2d_poisson_sparse_ell/fem2d_poisson_sparse_ell.html)
a library which
defines the geometry of an L-shaped region, as well as boundary
conditions for a given Poisson problem, and is called by
fem2d_poisson_sparse
as part of a solution procedure.
+ [fem2d_poisson_sparse_lake](fem2d_poisson_sparse_lake/fem2d_poisson_sparse_lake.html)
a library which
defines the geometry of a lake-shaped region, as well as boundary
conditions for a given Poisson problem, and is called by
fem2d_poisson_sparse
as part of a solution procedure.
+ [fem2d_project](fem2d_project/fem2d_project.html)
a program which
projects a function F(X,Y), given as data,
into a given finite element space
of piecewise linear triangular elements.
+ [fem2d_project_function](fem2d_project_function/fem2d_project_function.html)
a program which
projects a function F(X,Y), given as a formula,
into a given finite element space
of piecewise linear triangular elements.
+ [fem2d_sample](fem2d_sample/fem2d_sample.html)
a program which
samples a finite element
function, defined by FEM files,
(three text files describing the nodes, triangles, and coefficients);
at arbitrary points.
+ [fem2d_stokes](fem2d_stokes/fem2d_stokes.html)
a program which
uses the finite element method to solve
the steady incompressible Stokes equations
on an arbitrary triangulated region in 2D;
The user supplies
some information in some problem-dependent subroutines.
+ [fem2d_stokes_cavity](fem2d_stokes_cavity/fem2d_stokes_cavity.html)
a library which
contains the user-supplied routines necessary to run fem2d_stokes
on the "cavity" problem.
+ [fem2d_stokes_channel](fem2d_stokes_channel/fem2d_stokes_channel.html)
a library which
contains the user-supplied routines necessary to run fem2d_stokes
on the "channel" problem.
+ [fem2d_stokes_inout](fem2d_stokes_inout/fem2d_stokes_inout.html)
a library which
contains the user-supplied routines necessary to run fem2d_stokes
on the "inout" problem.
+ [fem3d_pack](fem3d_pack/fem3d_pack.html)
a library which
contains utilities for 3D finite element calculations.
+ [fem3d_project](fem3d_project/fem3d_project.html)
a program which
projects a function F(X,Y,Z), given as a data, into a given finite element space
of piecewise linear tetrahedral elements.
+ [fem3d_sample](fem3d_sample/fem3d_sample.html)
a program library which
evaluates a finite element function defined on a 3D tetrahedral mesh.
+ [feynman_kac_1d](feynman_kac_1d/feynman_kac_1d.html)
a program which
demonstrates the use of the Feynman-Kac algorithm
to solve Poisson's equation in a 1D interval by averaging
stochastic paths to the boundary.
+ [feynman_kac_2d](feynman_kac_2d/feynman_kac_2d.html)
a program which
demonstrates the use of the Feynman-Kac algorithm
to solve Poisson's equation in a 2D ellipse by averaging
stochastic paths to the boundary.
+ [feynman_kac_3d](feynman_kac_3d/feynman_kac_3d.html)
a program which
demonstrates the use of the Feynman-Kac algorithm
to solve Poisson's equation in a 3D ellipsoid by averaging
stochastic paths to the boundary.
+ [fft_openmp](fft_openmp/fft_openmp.html)
a program which
demonstrates the computation of a Fast Fourier Transform
in parallel, using OpenMP.
+ [fft_serial](fft_serial/fft_serial.html)
a program which
computes a Fast Fourier Transform, and is intended as
a starting point for implementing an OpenMP parallel version.
+ [fftpack5](fftpack5/fftpack5.html)
a library which
computes Fast Fourier transforms
by Paul Swarztrauber and Dick Valent;
+ [fftpack5.1](fftpack5.1/fftpack5.1.html)
a library which
contains version 5.1 of the FFTPACK
Fast Fourier Transform package,
using single precision arithmetic,
by Paul Swarztrauber and Dick Valent;
+ [fftpack5.1d](fftpack5.1d/fftpack5.1d.html)
a library which
contains version 5.1 of the FFTPACK
Fast Fourier Transform package,
using double precision arithmetic,
by Paul Swarztrauber and Dick Valent;
+ [fftw3](fftw3/fftw3.html)
programs which
illustrate the use of the FFTW3 Fast Fourier Transform package,
by Matteo Frigo and Steven Johnson.
+ [file_merge](file_merge/file_merge.html)
a program which
merges two sorted files.
+ [file_name_sequence](file_name_sequence/file_name_sequence.html)
a program which
demonstrates ways to generate a sequence of filenames, which can
be useful when generating a sequence of still snapshots to be animated later.
+ [file_row_reverse](file_row_reverse/file_row_reverse.html)
a program which
makes a copy of a file with the lines listed in reverse order.
+ [file_transpose](file_transpose/file_transpose.html)
a program which
makes a "transposed" copy of a file, in which the I-th word of the J-th line
becomes the J-th word of the I-th line.
+ [files_multiple](files_multiple/files_multiple.html)
a program which
demonstrates how a program can open multiple output files at one time,
and write data to any one specific file it chooses.
+ [filum](filum/filum.html)
a library which
performs various operations on files;
+ [fixcon](fixcon/fixcon.html)
a program which
converts FORTRAN77 continuation statements to the FORTRAN90 format;
+ [flow3](flow3/flow3.html)
a program which
uses the finite element method
to solve the steady incompressible Navier Stokes equations in 2D;
+ [flow5](flow5/flow5.html)
a program which
uses the finite element method
to solve the steady incompressible Navier Stokes equations in 2D;
+ [floyd](floyd/floyd.html)
a library which
implements Floyd's algorithm for finding the shortest distance between pairs of
nodes on a directed graph.
+ [fn](fn/fn.html)
a library which
evaluates elementary and special functions,
by Wayne Fullerton.
+ [football](football/football.html)
a program which
ranks football teams based on scores;
+ [frieze](frieze/frieze.html)
a program which
demonstrates how to map a pattern
repeatedly into a (distorted) 2D region to create a sort of
wallpaper;
+ [g95_intrinsics](g95_intrinsics/g95_intrinsics.html)
programs which
illustrate the use of some of the intrinsic functions
included by the GNU G95 compiler, above and beyond those
specified in the FORTRAN language standards.
+ [g95_quadmath](g95_quadmath/g95_quadmath.html)
a program which
illustrates the use of quadruple precision real arithmetic,
as provided on some systems by the G95 compiler for FORTRAN90.
+ [gdb](gdb/gdb.html)
an example directory of programs which
illustrate the use of the GNU debugger program
on a FORTRAN90 program;
+ [gegenbauer_rule](gegenbauer_rule/gegenbauer_rule.html)
a program which
computes and writes out a Gauss-Gegenbauer quadrature rule of given order.
+ [gen_hermite_rule](gen_hermite_rule/gen_hermite_rule.html)
a program which
computes and writes out a generalized Gauss-Hermite quadrature rule of given order
and parameter value.
+ [gen_laguerre_rule](gen_laguerre_rule/gen_laguerre_rule.html)
a program which
computes and writes out a generalized Gauss-Laguerre quadrature rule of given order
and parameter value.
+ [gene_cluster](gene_cluster/gene_cluster.html)
a program which
clusters sets of genetic expression data;
+ [geometry](geometry/geometry.html)
a library which
performs 2D/3D geometric calculations;
+ [geompack](geompack/geompack.html)
a library which
determines the Delaunay triangulation of 2D data,
by Barry Joe.
+ [geompack2](geompack2/geompack2.html)
a library which
computes the Delaunay triangulation of 2D data,
by Barry Joe.
+ [geompack3](geompack3/geompack3.html)
a library which
performs Delaunay triangulation for 3D data,
by Barry Joe.
+ [getwgt](getwgt/getwgt.html)
a library which
estimates the parameters of a Dirichlet mixture.
+ [gfortran](gfortran/gfortran.html)
programs which
investigate the use of the Gnu gfortran compiler with FORTRAN90 code.
+ [gfortran_intrinsics](gfortran_intrinsics/gfortran_intrinsics.html)
a program which
illustrates the use of some of the intrinsic functions
included by the Gnu gfortran compiler, above and beyond those
specified in the FORTRAN language standards.
+ [gfortran_quadmath](gfortran_quadmath/gfortran_quadmath.html)
a program which
illustrates the use of quadruple precision real arithmetic,
as provided on some systems by the Gnu gfortran compiler for FORTRAN90.
+ [gm_rule](gm_rule/gm_rule.html)
a library which
defines Grundmann-Moeller quadrature rules for an M-dimensional simplex.
+ [gnufor](gnufor/gnufor.html)
a library which
provides an interface between a FORTRAN90 program and
the gnuplot graphics library.
+ [gprof](gprof/gprof.html)
programs which
illustrate the use of the gprof program performance monitor;
+ [grafpack](grafpack/grafpack.html)
a library which
performs calculations on graphs;
+ [graph_paper](graph_paper/graph_paper.html)
a library which
makes PostScript (PS) graph paper;
+ [graphics_examples](graphics_examples/graphics_examples.html)
programs which
illustrate how various kinds of data can be displayed and analyzed graphically.
+ [grf_io](grf_io/grf_io.html)
a library which
reads or writes a GRF file which displays a mathematical graph;
+ [grf_to_eps](grf_to_eps/grf_to_eps.html)
a program which
converts a 2D graphics file from GRF format to
Encapsulated PostScript (EPS) format;
+ [grf_to_xyl](grf_to_xyl/grf_to_xyl.html)
a program which
converts information describing an abstract graph from
GRF to XYL format.
+ [grid](grid/grid.html)
a library which
computes N random points on an M-dimensional uniform grid;
+ [grid_dataset](grid_dataset/grid_dataset.html)
a program which
creates a uniform grid dataset;
+ [haar](haar/haar.html)
a library which
computes the Haar transform of data.
+ [halton](halton/halton.html)
a library which
computes elements of the Halton M-dimensional quasirandom sequence;
+ [halton_dataset](halton_dataset/halton_dataset.html)
a program which
creates a Halton quasirandom dataset;
+ [hammersley](hammersley/hammersley.html)
a library which
computes elements of the Hammersley
M-dimensional quasirandom sequence;
+ [hammersley_dataset](hammersley_dataset/hammersley_dataset.html)
a program which
creates a Hammersley quasirandom dataset;
+ [hb_io](hb_io/hb_io.html)
a library which
reads and writes files in the Harwell Boeing (HB) sparse matrix format;
+ [hb_to_st](hb_to_st/hb_to_st.html)
a program which
reads a sparse matrix in a Harwell Boeing (HB) file and
writes an equivalent Sparse Triplet (ST) file.
+ [heat_mpi](heat_mpi/heat_mpi.html)
a program which
solves the 1D time dependent heat equation using MPI.
+ [heated_plate](heated_plate/heated_plate.html)
a program which
solves the steady state heat equation in a 2D
rectangular region, and is intended as
a starting point for implementing an OpenMP parallel version.
+ [heated_plate_openmp](heated_plate_openmp/heated_plate_openmp.html)
a program which
solves the steady (time independent) heat equation in a 2D
rectangular region, using OpenMP to run in parallel.
+ [heated_plate_workshare](heated_plate_workshare/heated_plate_workshare.html)
a program which
solves the steady (time independent) heat equation in a 2D
rectangular region, using OpenMP's workshare directive to run in parallel;
the results suggest that workshare is not supported by the
gfortran and ifort compilers!
+ [hello](hello/hello.html)
a program which
prints out "Hello, world!".
+ [hello_mpi](hello_mpi/hello_mpi.html)
a program which
prints out "Hello, world!" using MPI for parallel programming.
+ [hello_openmp](hello_openmp/hello_openmp.html)
a program which
prints out "Hello, world!" within the OpenMP parallel programming
environment.
+ [hermite](hermite/hermite.html)
a library which
computes the Hermite interpolant, a polynomial that matches function values
and derivatives.
+ [hermite_cubic](hermite_cubic/hermite_cubic.html)
a library which
can compute the value, derivatives or integral of a Hermite cubic polynomial,
or manipulate an interpolating function made up of piecewise Hermite cubic
polynomials.
+ [hermite_polynomial](hermite_polynomial/hermite_polynomial.html)
a library which
evaluates the physicist's Hermite polynomial, the probabilist's Hermite polynomial,
the Hermite function, and related functions.
+ [hermite_rule](hermite_rule/hermite_rule.html)
a program which
computes and writes out a Gauss-Hermite quadrature rule of given order.
+ [hex_grid](hex_grid/hex_grid.html)
a library which
defines a hexagonal grid of points in
the unit square.
+ [hex_grid_angle](hex_grid_angle/hex_grid_angle.html)
a library which
defines a hexagonal grid of points in
the unit square, with an arbitrary center, angle, and spacing.
+ [hex_grid_dataset](hex_grid_dataset/hex_grid_dataset.html)
a program which
creates a hexagonal grid dataset,
using the hex_grid library;
+ [hex_grid_triangulate](hex_grid_triangulate/hex_grid_triangulate.html)
a program which
finds the points on a hex grid that
lie inside a given triangulation region.
+ [i4lib](i4lib/i4lib.html)
a library which
contains many utility routines, using single precision integer (I4)
arithmetic.
+ [i8lib](i8lib/i8lib.html)
a library which
contains many utility routines, using double precision integer (I8)
arithmetic.
+ [ice_io](ice_io/ice_io.html)
a library which
reads or writes ICE grid files stored in netcdf format.
+ [ice_to_mesh](ice_to_mesh/ice_to_mesh.html)
a program which
reads a netcdf file containing an ICE dataset and rewrites the
information as a MESH file.
+ [ieee_uniform](ieee_uniform/ieee_uniform.html)
a library which
tries to uniformly sample the discrete set of values that represent the
legal IEEE real numbers;
+ [ihs](ihs/ihs.html)
a library which
implements the Improved Distributed Hypercube
Sampling method, regarded as a quasirandom M-dimensional sequence;
+ [ihs_dataset](ihs_dataset/ihs_dataset.html)
a program which
creates an Improved Distributed Hypercube Sampling dataset;
+ [image_components](image_components/image_components.html)
a library which
seeks the connected nonzero or nonblack components of an image or integer array.
+ [image_denoise](image_denoise/image_denoise.html)
a library which
applies simple filtering operations to a noisy image.
+ [image_edge](image_edge/image_edge.html)
a library which
demonstrates a simple procedure for edge detection in images.
+ [include_files](include_files/include_files.html)
a program which
reads a FORTRAN90 file with INCLUDE
statements, and makes a copy in which the indicated files have
been included;
+ [index](index/index.html)
a library which
converts a multidimensional vector index to a one-dimensional vector index;
it can handle zero and one based indexing schemes, as well as column major
and row major conventions.
+ [int_exactness](int_exactness/int_exactness.html)
a program which
tests the polynomial exactness of quadrature rules for a finite interval;
+ [int_exactness_chebyshev1](int_exactness_chebyshev1/int_exactness_chebyshev1.html)
a program which
tests the polynomial exactness of Gauss-Chebyshev type 1 quadrature rules.
+ [int_exactness_chebyshev2](int_exactness_chebyshev2/int_exactness_chebyshev2.html)
a program which
tests the polynomial exactness of Gauss-Chebyshev type 2 quadrature rules.
+ [int_exactness_gegenbauer](int_exactness_gegenbauer/int_exactness_gegenbauer.html)
a program which
tests the polynomial exactness of Gauss-Gegenbauer quadrature rules.
+ [int_exactness_gen_hermite](int_exactness_gen_hermite/int_exactness_gen_hermite.html)
a program which
tests the polynomial
exactness of generalized Gauss-Hermite quadrature rules.
+ [int_exactness_gen_laguerre](int_exactness_gen_laguerre/int_exactness_gen_laguerre.html)
a program which
tests the polynomial exactness of generalized Gauss-Laguerre quadrature rules.
+ [int_exactness_hermite](int_exactness_hermite/int_exactness_hermite.html)
a program which
tests the polynomial exactness of Gauss-Hermite quadrature rules.
+ [int_exactness_jacobi](int_exactness_jacobi/int_exactness_jacobi.html)
a program which
tests the polynomial exactness of Gauss-Jacobi quadrature rules.
+ [int_exactness_laguerre](int_exactness_laguerre/int_exactness_laguerre.html)
a program which
tests the polynomial exactness of Gauss-Laguerre quadrature rules.
+ [int_exactness_legendre](int_exactness_legendre/int_exactness_legendre.html)
a program which
tests the polynomial exactness of Gauss-Legendre quadrature rules.
+ [integral_test](integral_test/integral_test.html)
a program which
tests the use of quasirandom points (or
any set of points) to approximate an M-dimensional integral;
+ [interp](interp/interp.html)
a library which
can be used for parameterizing and interpolating data;
+ [intlib](intlib/intlib.html)
a library which
carries out approximate integration (quadrature) in
one dimension;
+ [ising_2d_simulation](ising_2d_simulation/ising_2d_simulation.html)
a program which
simulates the evolution of a 2D array of positive and negative charges,
each of which is likely to flip to be in agreement with neighbors.
+ [ising_3d_simulation](ising_3d_simulation/ising_3d_simulation.html)
a program which
simulates the evolution of a 3D array of positive and negative charges,
each of which is likely to flip to be in agreement with neighbors.
+ [ivread](ivread/ivread.html)
a program which
carries out 3D graphic file conversion;
+ [jacobi_polynomial](jacobi_polynomial/jacobi_polynomial.html)
a library which
evaluates the Jacobi polynomial and associated functions.
+ [jacobi_rule](jacobi_rule/jacobi_rule.html)
a program which
computes and writes out a Gauss-Jacobi quadrature rule of given order.
+ [jbar](jbar/jbar.html)
a program which
reads a data file and creates a bar graph.
+ [keast](keast/keast.html)
a library which
defines Keast quadrature rules in a tetrahedron;
+ [kmeans](kmeans/kmeans.html)
a library which
handles the K-Means problem,
which organizes a set of N points in M dimensions into K clusters;
+ [kmedian](kmedian/kmedian.html)
a program which
handles the K-Median problem;
+ [kronrod](kronrod/kronrod.html)
a library which
can compute a Gauss and Gauss-Kronrod pair of quadrature rules
of arbitrary order,
by Robert Piessens, Maria Branders.
+ [lagrange_approx_1d](lagrange_approx_1d/lagrange_approx_1d.html)
a library which
defines and evaluates the Lagrange polynomial p(x) of degree m
which approximates a set of nd data points (x(i),y(i)).
+ [lagrange_interp_1d](lagrange_interp_1d/lagrange_interp_1d.html)
a library which
defines and evaluates the Lagrange polynomial p(x)
which interpolates a set of data depending on a 1D argument,
so that p(x(i)) = y(i).
+ [lagrange_interp_2d](lagrange_interp_2d/lagrange_interp_2d.html)
a library which
defines and evaluates the Lagrange polynomial p(x,y)
which interpolates a set of data depending on a 2D argument
that was evaluated on a product grid,
so that p(x(i),y(j)) = z(i,j).
+ [lagrange_interp_nd](lagrange_interp_nd/lagrange_interp_nd.html)
a library which
defines and evaluates the Lagrange polynomial p(x)
which interpolates a set of data depending on a multidimensional argument
that was evaluated on a product grid,
so that p(x(i)) = z(i).
+ [laguerre_polynomial](laguerre_polynomial/laguerre_polynomial.html)
a library which
evaluates the Laguerre polynomial, the generalized Laguerre polynomials,
and the Laguerre function.
+ [laguerre_rule](laguerre_rule/laguerre_rule.html)
a program which
computes and writes out a Gauss-Laguerre quadrature rule of given order.
+ [lambert](lambert/lambert.html)
a library which
computes the Lambert quasirandom
sequence in 1D, 2D, 3D and 4D.
+ [lapack_examples](lapack_examples/lapack_examples.html)
a program which
demonstrates the use of the LAPACK linear algebra library.
+ [lapack_examples_osx](lapack_examples_osx/lapack_examples_osx.html)
a program which
demonstrates the use of the precompiled LAPACK linear algebra library available
on Macintosh OSX systems, using the "-framework veclib" compiler option.
+ [latin_center](latin_center/latin_center.html)
a library which
produces N points in an M-dimensional Latin Center Hypercube.
+ [latin_center_dataset](latin_center_dataset/latin_center_dataset.html)
a program which
creates a Latin Center Hypercube dataset;
+ [latin_cover](latin_cover/latin_cover.html)
a library which
produces N Latin squares which cover an NxN square, or NxN Latin cubes
which cover an NxNxN cube.
+ [latin_edge](latin_edge/latin_edge.html)
a library which
produces N points in an M-dimensional Latin Edge Hypercube.
+ [latin_edge_dataset](latin_edge_dataset/latin_edge_dataset.html)
a program which
creates a Latin Edge Hypercube dataset;
+ [latin_random](latin_random/latin_random.html)
a library which
produces N points in an M-dimensional Latin Random Hypercube.
+ [latin_random_dataset](latin_random_dataset/latin_random_dataset.html)
a program which
creates a Latin Random Hypercube dataset;
+ [latinize](latinize/latinize.html)
a library which
adjusts N points in M dimensions to form a Latin hypercube.
+ [lattice_rule](lattice_rule/lattice_rule.html)
a library which
returns lattice rules for M-dimensional integration;
+ [lau_np](lau_np/lau_np.html)
a library which
implements heuristic algorithms for NP-hard problems.
+ [laupack](laupack/laupack.html)
a library which
carries out various operations on graphs.
+ [lawson](lawson/lawson.html)
a library which
contains routines for solving least squares problems and singular value
decompositions, by Lawson and Hanson.
+ [lcvt](lcvt/lcvt.html)
a library which
creates a sort of Latin Square Centroidal Voronoi Tessellation (CVT);
+ [lcvt_dataset](lcvt_dataset/lcvt_dataset.html)
a program which
creates a
Latin Square Centroidal Voronoi Tessellation (CVT) dataset
+ [legendre_polynomial](legendre_polynomial/legendre_polynomial.html)
a library which
evaluates the Legendre polynomial and associated functions.
+ [legendre_rule](legendre_rule/legendre_rule.html)
a program which
computes and writes out a Gauss-Legendre quadrature rule of given order.
+ [legendre_rule_fast](legendre_rule_fast/legendre_rule_fast.html)
a program which
uses a fast (order N) algorithm to compute a Gauss-Legendre quadrature rule.
+ [linpack_bench](linpack_bench/linpack_bench.html)
a program which
carries out the LINPACK benchmark;
+ [linpack](linpack/linpack.html)
a library which
solves linear systems for a variety of matrix storage schemes,
real or complex arithmetic, and single or double precision.
It includes a routine for computing the singular value decomposition (SVD)
of a rectangular matrix.
The original version of this library is
by Jack Dongarra, Jim Bunch, Cleve Moler, Pete Stewart.
+ [linpack_c](linpack_c/linpack_c.html)
a library which
factors and solves linear systems
using single precision complex arithmetic,
by Jack Dongarra, Jim Bunch, Cleve Moler, Pete Stewart.
+ [linpack_d](linpack_d/linpack_d.html)
a library which
factors and solves linear systems using double precision real arithmetic,
by Jack Dongarra, Jim Bunch, Cleve Moler, Pete Stewart.
+ [linpack_s](linpack_s/linpack_s.html)
a library which
factors and solves linear systems using single precision real arithmetic,
by Jack Dongarra, Jim Bunch, Cleve Moler, Pete Stewart.
+ [linpack_z](linpack_z/linpack_z.html)
a library which
factors and solves linear systems
using double precision complex arithmetic,
by Jack Dongarra, Jim Bunch, Cleve Moler, Pete Stewart.
+ [linplus](linplus/linplus.html)
a library which
factors/solves/multiplies matrices in
a variety of storage formats;
+ [llsq](llsq/llsq.html)
a library which
solves the simple linear least squares problem of finding the formula
of a straight line y=a*x+b which minimizes the root-mean-square error
to a set of N data points.
+ [lyness_rule](lyness_rule/lyness_rule.html)
a library which
returns Lyness-Jespersen quadrature rules for the triangle;
+ [machar](machar/machar.html)
a library which
dynamically computes the values of various machine characteristic constants
by William Cody;
+ [machine](machine/machine.html)
a library which
returns tabulated values of
the constants associated with computer arithmetic;
+ [makefiles](makefiles/makefiles.html)
programs which
illustrate the use of makefiles for maintaining a software
project;
+ [mandelbrot](mandelbrot/mandelbrot.html)
a program which
generates an ASCII Portable Pixel Map (PPM) image of the Mandelbrot set;
+ [mandelbrot_openmp](mandelbrot_openmp/mandelbrot_openmp.html)
a program which
generates an ASCII Portable Pixel Map (PPM) image of the Mandelbrot fractal set,
using OpenMP for parallel execution;
+ [mass](mass/mass.html)
a program which
verifies the computation of the mass matrix for a finite element
calculation for a fluid flow problem;
+ [matman](matman/matman.html)
a program which
manipulates matrices;
+ [matmul](matmul/matmul.html)
a program which
carries out a matrix multiplication benchmark;
+ [matrix_exponential](matrix_exponential/matrix_exponential.html)
a library which
demonstrates some simple approaches to the problem of computing the
exponential of a matrix;
+ [md](md/md.html)
a program which
carries out a molecular dynamics simulation, and is intended as
a starting point for implementing an OpenMP parallel version;
+ [md_openmp
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