Basic presentation of the discrete Fourier series transform. Explanations and formules. Raw source code to calculate numerical Fourier transforms.
Software for complex three dimensional surfaces.
Free general PDE solver driven by a user friendly language. Both a 2D and a 3D version are available. MacOS, Windows.
FORTRAN programs for solving Sturm--Liouville equations.
Software for high-performance computers available in source form for problems in numerical linear algebra, specifically dense, sparse direct and iterative systems and sparse iterative eigenvalue problems.
Numerical, statistical, and signal processing subroutine libraries optimised for OS/2 platforms.
A high-level interpreted language for numerical analysis. Free (GNU GPL).
Includes the Finite Element/Nystrom Solver, a two dimensional coupled finite element / Nystrom solver for the Helmholtz equation.
Graph, mesh, and hypergraph partitioning software. Free download, portable on most Unix systems that have an ANSI C compiler (e.g. GNU C).
Astronomical computations and mathematical functions source programs in C. Home page of the Cephes Mathematical Library.
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