# 217 projects tagged "Mathematics"

## Updated 11 Sep 2013 extmath.nim

 Pop 107.28 1

extmath.nim is a math library for the Nimrod programming language. It contains functions for basic math, trigonometry, and geometry, as well as quite a few constants.

## Updated 02 Nov 2013 pyuds

 Pop 28.97 27.55

pyuds is a Python library for measuring uncertainty in the Dempster-Shafer theory of evidence. The functionals supported are the Generalized Hartley (GH) uncertainty functional, Generalized Shannon (GS) uncertainty functional, and Aggregate Uncertainty (AU) functional. The library can be utilized either through its API, or through a user-friendly Web interface.

## Updated 05 Dec 2011 sparseLM

 Pop 18.81 2.12

sparseLM is a software package for efficiently solving arbitrarily sparse non-linear least squares problems. It offers a generic implementation of the Levenberg - Marquardt optimization algorithm on top of a variety of sparse direct solvers, thus being applicable to problems with arbitrary sparseness. sparseLM accepts sparse Jacobians encoded in either compressed row storage (CRS) or compressed column storage (CCS, aka Harwell-Boeing) format. It is also possible to supply it just with the Jacobian's sparsity pattern and have its values be numerically approximated using finite differences, or even instruct it to attempt the automatic detection of the sparsity pattern corresponding to the Jacobian of the function to be minimized. Note that for dense non-linear least squares problems, project levmar is more appropriate.

## Updated 18 May 2013 SLEEF

 Pop 155.02 8.44

SLEEF (SIMD Library for Evaluating Elementary Functions) is a library that facilitates programming with SIMD instructions. It implements the trigonometric functions, inverse trigonometric functions, exponential and logarithmic functions in double precision without table look-ups, scattering from, or gathering into SIMD registers, or conditional branches. This library also includes some functions for evaluation in single precision.

## Updated 30 Apr 2010 Open Dynamics Engine

 Pop 19.6 36.27

ODE is a high performance library for simulating rigid body dynamics. It is fully featured, stable, mature, and platform independent with an easy-to-use C/C++ API. It has advanced joint types and integrated collision detection with friction. ODE is useful for simulating vehicles, objects in virtual reality environments, and virtual creatures. It is currently used in many computer games, 3D authoring tools, and simulation tools.

## Updated 19 Oct 2009 Date::Calc::XS

 Pop 13.42 38.83

Date::Calc::XS is a Perl module that is the C/XS part which Date::Calc used to consist of. Date::Calc has become a (pure-Perl) wrapper which tries to load Date::Calc::XS, and failing that, loads Date::Calc::PP (a pure-Perl implementation which is now part of Date::Calc and used to be Date::Pcalc).

## Updated 28 Jun 2009 Make It True

 Pop 11.45 40.27

Make It True is a Web application to practice fundamental algebra procedures used when manipulating equations. The application generates arbitrary equations containing one to four variables. The student must provide values for these variables that make the equation true.

## Updated 17 May 2009 PyGTS

 Pop 29.65 40.83

PyGTS is a Python package that can be used to construct, manipulate, and perform computations on 3D triangulated surfaces. It is a hand-crafted and pythonic binding for the GNU Triangulated Surface (GTS) Library.

## Updated 02 Apr 2010 Lasem

 Pop 43.54 2.23

Lasem is a library for SVG and MathML rendering, implementing a DOM like API. It's based on GObject, and uses Pango and Cairo for the graphic output.

## Updated 15 Apr 2009 Inf

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Inf is a browser-based calculator that can handle infinite and infinitesimal numbers.

## Project Spotlight

### libj

A native runtime library equipped with a Java/JavaScript-like API.

## Project Spotlight

### pcapfilter

Generation of smaller pcap files filtering your existing pcap files.