SIMPLEX_GRID is a C library which generates a grid of points over the interior of a simplex in M dimensions.
The computer code and data files described and made available on this web page are distributed under the GNU LGPL license.
SIMPLEX_GRID is available in a C version and a C++ version and a FORTRAN77 version and a FORTRAN90 version and a MATLAB version and a Python version.
ASA299, a C library which computes the lattice points in an M-dimensional simplex, by Chasalow and Brand; this is a version of Applied Statistics Algorithm 299;
BALL_GRID, a C library which computes a grid of points over the interior of a ball in 3D.
CIRCLE_ARC_GRID, a C program which computes points equally spaced along a circular arc in 2D.
CUBE_GRID, a C library which computes a grid of points over the interior of a cube in 3D.
DISK_GRID, a C library which computes a grid of points over the interior of a disk in 2D.
ELLIPSE_GRID, a C library which computes a grid of points over the interior of an ellipse in 2D.
ELLIPSOID_GRID, a C library which computes a grid of points over the interior of an ellipsoid in 3D.
FEM_BASIS, a C library which can define basis functions for the finite element method (FEM) for any degree in an M-dimensional simplex (1D interval, 2D triangle, 3D tetrahedron, and higher dimensional generalizations.)
HYPERCUBE_GRID, a C library which computes a grid of points over the interior of a hypercube in M dimensions.
LINE_GRID, a C library which computes a grid of points over the interior of a line segment in 1D.
POLYGON_GRID, a C library which generates a grid of points over the interior of a polygon in 2D.
PYRAMID_GRID, a C library which computes a grid of points over the interior of the unit pyramid in 3D;
SIMPLEX_COORDINATES, a C library which computes the Cartesian coordinates of the vertices of a regular simplex in M dimensions.
SIMPLEX_GM_RULE, a C library which defines Grundmann-Moeller quadrature rules over the interior of a simplex in M dimensions.
SIMPLEX_INTEGRALS, a C library which returns the exact value of the integral of any monomial over the interior of the unit simplex in M dimensions.
SIMPLEX_MONTE_CARLO, a C library which uses the Monte Carlo method to estimate integrals over the interior of the unit simplex in M dimensions.
SPHERE_FIBONACCI_GRID, a C library which computes a grid of points using the Fibonacci spiral over the surface of a sphere in 3D.
SPHERE_GRID, a C library which provides a number of ways of generating grids of points, or of points and lines, or of points and lines and faces, on the surface of the unit sphere in 3D.
SPHERE_LLQ_GRID, a C library which uses longitudes and latitudes to create grids of points, lines, and quadrilaterals on the surface of the unit sphere in 3D.
SPHERE_LLT_GRID, a C library which uses longitudes and latitudes to create grids of points, lines, and triangles on the surface of the unit sphere in 3D.
SQUARE_GRID, a C library which computes a grid of points over the interior of a square in 2D.
TETRAHEDRON_GRID, a C library which computes a grid of points over the interior of a tetrahedron in 3D.
TRIANGLE_GRID, a C library which computes a grid of points over the interior of a triangle in 2D.
WEDGE_GRID, a C library which computes a grid of points over the interior of the unit wedge in 3D.
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