Differential Equations Solver

The Fixed Torque Dynamo and Motor Model solves the coupled differential equations for an electric motor driven by a dynamo (generator). The model can be used as to illustrate elementary instabilities or bifurcations discussed in courses about nonlinear oscillators and dynamical systems. When the...

Ofeli (as an acronym for Open, Fast and Efficient Level set Implementation) demonstrates how to operate an image segmentation algorithm of Y. Shi and W. C. Karl |1|, using a discrete approach for the approximation of level-set-based curve evolution (implicit active contours). This is a novel...

DOLFIN is the C++/Python interface of FEniCS, providing a consistent PSE (Problem Solving Environment) for ordinary and partial differential equations. Features * Simple, consistent and intuitive object-oriented API in C++ or Python * Automatic and efficient evaluation of finite element...


Platforms: *nix

SOLVCON is a software framework for solving hyperbolic partial differential equations (PDEs). SOLVCON uses the space-time Conservation Element and Solution Element (CESE) method for time-accurate solutions. The goal of SOLVCON is to enable high-fidelity solutions for design iterations. SOLVCON is...


Platforms: *nix

Assimulo is a Cython/Python based simulation package for solving explicit ordinary differential equations (ODEs) and implicit ordinary differential equations (DAEs). The idea with Assimulo is to create a basis for simulating differential equations and to be easily extended with other solvers....


Platforms: *nix

STIMATH is a high-level tool for mathematics, linear algebra, plotting and expression evaluation that can be used from any programming environment or even from a command line interface. It is an executable that takes a single argument, the name of a text file containing a series of MATLAB style...


Platforms: Windows 7

Modest Ordinary Differential Equation Library is a C++ library to model rate equations. MODEL is a numeric simulation library written during my PhD to simulate systems of rate equations describing Vertical Cavity Surface Emitting Lasers (VCSELs). I decided to write one myself after looking at...


Platforms: *nix

ODEcalc for Windows: An Ordinary Differential Equation (ODE) Calculator! State your equation and boundary or initial value conditions and it solves your problem. Plots solution y and derivative ydot versus x. Solves most Boundary Value Problems (BVP) and Initial Value Problems (IVP) for...


Platforms: Windows, Windows 8, Windows 7, Windows Server

dysii is a C++ library provides a collection of classes useful for machine learning applications. Features are added to the library as needed, so that it does lack some completeness. What is included, however, is well documented and tested, and may be considered fairly sound for research...


Platforms: *nix

Fortran Calculus Compiler: Calculus level computer languages are Fortran Calculus and PROSE. Both languages are based on what is called "Automatic Differentiation" (AD). Calculus languages simplify computer coding to an absolute minimum; i.e., a mathematical model, constraints, and the objective...


Platforms: *nix

Xem Application allows you to solve pH balance equations. Requirements: - Qt


Platforms: *nix, C/C++, BSD

The program computes the residue curve map for the ternary mixture benzene-toluene-p-xylene. When you change the mouse's position, a new residue curve is computed and displayed. Residue curve maps play an important role in the conceptual design of distillation columns. The pointer's position...


Platforms: Matlab

This toolbox contains the functions which can be used to simulate some of the well-known fractional order chaotic systems, such as:- Chen's system,- Arneodo's system,- Genesio-Tesi's system,- Lorenz's system,- Newton-Leipnik's system,- Rossler's system,- Lotka-Volterra system,- Duffing's system,-...


Platforms: Matlab

The package LaguerreEig calculates a finite number of numerical eigenvalues and eigenfunctions of Schroedinger problems on (0,infinity) and solves linear or nonlinear differential equations on this interval.


Platforms: Matlab

http://simulations.narod.ru/there are two masses connected with rod. x y dcOC describe system state. Lagrangian was made and 6 1st order differential equations to integrate numerically with Euler method.run zz_2_obj_lagrangian_test.m to see animation or here:


Platforms: Matlab

A common request is to interpolate a set of points at fixed distances along some curve in space (2 or more dimensions.) The user typically has a set of points along a curve, some of which are closely spaced, others not so close, and they wish to create a new set which is uniformly spaced along...


Platforms: Matlab

The libMesh library provides a framework for the numerical simulation of partial differential equations using arbitrary unstructured discretizations on serial and parallel platforms. libMesh currently supports 1D, 2D, and 3D steady and transient finite element simulations. The library makes use...


Platforms: Mac

AUTO is a publicly available software for continuation and bifurcation problems in ordinary differential equations originally written in 1980 and widely used in the dynamical systems community.


Platforms: *nix

SPECULOOS (for SPECtral Unstructured eLements Object-Oriented System)is a spectral and mortar element analysis software for the numerical solutionof partial differential equations, in particular incompressible unsteadyfluid flow problems.


Platforms: *nix

ODE Module is a pro Fit module that solves initial value problems of sets of coupled first-order differential equations (up to fourteen). Systems of higher order can be reduced to sets of first-order equations. The solutions are plotted over the integration variable and against each other (phase...


Platforms: Mac