Category Archives: Mathematics

PyWENO (Python WENO)

PyWENO is a Python implementation of one-dimensional Weighted Essentially Non-oscillatory (WENO) approximations over unstructured (non-uniform) grids. Find PyWENO (Python WENO) at: http://memmett.github.com/PyWENO/

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Posted in Numerical Methods | Leave a comment

OpenOpt

Universal cross-platform (Win, Linux, Mac OS) Python-written numerical optimization toolbox. License: new BSD. Problems: NLP, LP, QP, SDP, SOCP, DFP(Non-linear Data Fit), NSP(nonsmooth), MILP, LSP, LLSP, MMP, GLP, MINLP etc. Connects to dozens of solvers (some are C- or Fortran-written). … Continue reading

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LOPTI is mathematical optimization open source C++ library (mostly derivative-free)

There are three major parts. 1st and main part is solver-driver which either wraps external solver or uses LOPTI native solvers and presents to library user consistent and simple optimization API. 2nd part is collection of solvers. Currently 4 solvers … Continue reading

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EigenMath

Very compact, but useful CAS coded entirely in C. Find EigenMath at: http://eigenmath.net

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Posted in Abstract Algebra | Leave a comment

FriCAS

FriCAS is an advanced computer algebra system. Its capabilities range from calculus (integration and differentiation) to abstract algebra. It can plot functions and has integrated help system. Find FriCAS at: http://fricas.sf.net

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Mathomatic

Mathomatic is a general purpose CAS (Computer Algebra System) and calculator software that can symbolically solve, simplify, combine, and compare algebraic equations, perform complex number and polynomial arithmetic, etc. It does some calculus and handles all elementary algebra, except logarithms. … Continue reading

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Gerris

Gerris is for solving problems involving incompressible flow (time-dependent incompressible variable-density Euler, Stokes or Navier-Stokes equations). It uses an adaptive mesh refinement to allow for flows around complex geometries. Find Gerris at: http://gfs.sourceforge.net

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Posted in Fluid Dynamics | Leave a comment

OpenLB

The OpenLB project provides a C++ package for the implementation of lattice Boltzmann simulations that is general enough to address a vast range of problems in computational fluid dynamics. The package is mainly intended as a programming support for researchers … Continue reading

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Posted in Fluid Dynamics | 1 Comment

Math::MatrixReal

Math::MatrixReal is a nifty perl module for doing just about anything you could want with an NxN matrix, or vector of real numbers. Find Math::MatrixReal at: http://leto.net/code/Math-MatrixReal/

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jMATLAB

jMATLAB is an Eclispe based interpreter interface to linear algebra libraries. It is based on the notion of MATLAB. It provides MATLAB like scripting language for quick programming. It also provides ability to write toolboxes using java based plug-ins. Interface … Continue reading

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Posted in Linear Algebra | Leave a comment