Fast Fourier Transforms 7
Finite Elements Analysis 85
Wavelets 8
Fortran Source Code 505
MATLAB 135
| | Companies - Numerical Analysis, Math, Science 3
Software - Math, Science 516
 NetlibNetlib
 
Searchable repository of free numerical software.
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Addix.SplineAddix.Spline
 A comprehensive spline curve function library for creating and evaluating splines in Excel, VB and VBA. Free download of evaluation copy.
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Astronomical Image Processing SystemAstronomical Image Processing System
 A software package for calibration, data analysis, image display, plotting, etcetera on astronomical data.
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Astronomy and Numerical Source CodesAstronomy and Numerical Source Codes
 Astronomical computations and mathematical functions source programs in C. Home page of the Cephes Mathematical Library.
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Boundary Element MethodBoundary Element Method
 Resources: Acoustics, Laplace and Helmholtz Problems. Book, manuals, Fortran software (Free and to purchase).
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CSE - LANCELOTCSE - LANCELOT
 A standard fortran 77 package for solving large-scale nonlinearly constrained optimization problems. Free download by FTP.
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Decision Tree for Optimization SoftwareDecision Tree for Optimization Software
 Ready to use solutions for optimization problems, or at least a way to build such a solution using work done by others. Where possible, public domain software is listed.
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Discrete Fourier Series TransformDiscrete Fourier Series Transform
 Basic presentation of the discrete Fourier series transform. Explanations and formules. Raw source code to calculate numerical Fourier transforms.
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Easy-FitEasy-Fit
 Used to identify parameters in explicit model functions, dynamic systems of equations (steady-state), Laplace transforms, ordinary differential equations, differential algebraic equations and one-dimensional partial differential equations. Proceeding from given experimental data. For example, observation times and measurements, the minimum least squares distances of measured data from a fitting criterion are computed, that may depend on the solution of the dynamic system.
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FreeFEMFreeFEM
 Free general PDE solver driven by a user friendly language. Both a 2D and a 3D version are available. MacOS, Windows.
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Freely Available Software for the Solution of Linear Algebra ProblemsFreely Available Software for the Solution of Linear Algebra Problems
 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.
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Genetic Optimization AlgorithmGenetic Optimization Algorithm
 Freeware used to solve optimization problems with several real and binary parameters and non linear objective functions and constraints. Includes illustration of program and links to the author's other webpages.
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GNU OctaveGNU Octave
 Free numerical analysis and visualization environment similar to Matlab.
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GNU Octave RepositoryGNU Octave Repository
 Central location for custom scripts, functions and extensions to GNU Octave.
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HSL ArchiveHSL Archive
 HSL (formerly the Harwell Subroutine Library) is a collection of ISO Fortran codes for large scale scientific computation, written by members of the Numerical Analysis Group and other experts. Free download by FTP.
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Jean-Pierre Moreau's Home PageJean-Pierre Moreau's Home Page
 This private website is entirely dedicated to sources in numerical analysis in four languages: Basic, C++, Fortran and Pascal in Microsoft Windows environment.
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MAI Information TechnologyMAI Information Technology
 Numerical, statistical, and signal processing subroutine libraries optimised for OS/2 platforms.
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MEDEA: Matrix Exponential Differential Equation AlgorithmMEDEA: Matrix Exponential Differential Equation Algorithm
 Algorithm for the numerical integration of systems of ordinary differential equations arising in chemical problems. C ocde, free to use.
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METIS: Serial Graph/Mesh Partitioning & Sparse Matrix OrderingMETIS: Serial Graph/Mesh Partitioning & Sparse Matrix Ordering
 Graph, mesh, and hypergraph partitioning software. Free download, portable on most Unix systems that have an ANSI C compiler (e.g. GNU C).
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MIT Aero/Astro Scientific VisualizationMIT Aero/Astro Scientific Visualization
 Visualization software developed at MIT.
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Newmat C++ Matrix Manipulation LibraryNewmat C++ Matrix Manipulation Library
 For the manipulation of matrices in the C++ language, oriented towards science and engineering applications.
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Numerical MethodsNumerical Methods
 Notes and Fortran code on topics including: Finite elements, finite differences, boundary elements, integral equation methods, optimisation,linear systems, numerical integration, ODEs.
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Object-oriented Finite Element / Numerical Methods in C++Object-oriented Finite Element / Numerical Methods in C++
 VectorSpace C++ Library for advanced numerical computation such as constrained optimization, variational methods, and computational mechanics.
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Ordinary Differential Equation System SolverOrdinary Differential Equation System Solver
 A Java-Applet/Application for solving ODE systems.
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Reactor Simulation Editor, Introduction with ExamplesReactor Simulation Editor, Introduction with Examples
 The Reactor Simulation Editor (rsedit) is a software package designed to solve finite difference equations in a simplified way. The tool kit includes: a geometry editor, data structure editors, equation editor and an HTML output library.
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Scientific ComputingScientific Computing
 Software and Algorithms for linear and nonlinear inverse Problems: Computerized tomography, wavelet applications, statical computations, multi parameter fit and more
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SLEIGN2SLEIGN2
 FORTRAN programs for solving Sturm--Liouville equations.
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Spline Curve Fit 3DSpline Curve Fit 3D
 Software for complex three dimensional surfaces.
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TeLaTeLa
 The tensor language. Scientific computing language and environment.
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Test Set for Initial Value Problem SolversTest Set for Initial Value Problem Solvers
 Test problems, experimental results from a number of proven solvers, solvers, subroutines providing a common interface and links for Initial Value Problems for ODEs, DAEs and IDEs.
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WNLIB C Subroutine LibraryWNLIB C Subroutine Library
 Will Naylor's free, unrestricted ANSI-C subroutine library including numerical routines such as conjugate-gradient and conjugate-directions, simplex method, transportation problem, fast-Fourier transform, matrix and vector operations.
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XRC - Exact Reals in CXRC - Exact Reals in C
 An implementation of lazy exact real arithmetic in C by Keith Briggs.
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