Solving Ordinary Differential Equations Matlab

GNU Octave project is a high-level language, primarily intended for numerical computations. It provides a convenient command line interface for solving linear and nonlinear problems numerically, and for performing other numerical experiments using a language that is mostly compatible with Matlab....

ALL-IN-ONE MULTI-PHYSICS FINITE ELEMENT MODELING Ever wish there was a flexible system for solving all the partial differential equation problems that come up in science and engineering, so you didn't have to buy and learn a new software tool for each problem? Well, now your wish has come...

Analytical Target Cascading (ATC) is a method for solving large-scale distributed optimization problems. It can be applied to multidisciplinary design optimization (MDO) problems. A very simple example problem was chosen so that the ATC solution process could be illustrated without requiring much...


Platforms: Matlab

Update 2011: An example application is included which shows a 2D plot using Matlab formulas. Requires MFC. Visual Studio 2008 is recommended, but the project should work in other versions.Another update is more correct support for multi-threading in MxWrapper.As part of maintaining a large,...


Platforms: Matlab

SUNDIALS (SUite of Nonlinear and DIfferential/ALgebraic equation Solvers). SUNDIALS consists of the following four solvers: - CVODE solves initial value problems for ordinary differential equation (ODE) systems. - CVODES solves ODE systems and includes sensitivity analysis capabilities...


Platforms: *nix

C-Library & Matlab Toolbox implement a numerical solution of Poisson equationdiv(e*grad(u))=ffor Cartesian 1D, Cartesian 2D and axis-symmetrical cylindrical coordinates with respect to steeply varying dielectrical permittivity e.Library uses regular rectangular grid with mixed boundary...


Platforms: Matlab

For animation, the program uses Matlab's normal plot command combined with the drawnow command. It is based on the ode45 solution of the corresponding differential equations.Comprehensive documentation is provided, including a sketch of the most important steps of how to derive the equations of...


Platforms: Matlab

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

This software has been realized by Gennady Livitz at the CNS Technology Lab at Boston University (My Webpage). The main author of this software is Gennady Livitz. The package contains a MATLAB implementation of diffusive filing-in model. The demo simulation is based on Craik-O'Brien-Cornsweet...


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

An interactive MATLAB-based demo simulation of the electrophysiological behavior of a biological neuron is presented and documented. The differential equations which describe the temporal evolution of the membrane voltage in a biophysical model neuron, are introduced and briefly discussed in the...


Platforms: Matlab

fieldlines3D(X,Y,Z,U,V,W,x0,y0,z0) plots a field line with the initial point P(x0,y0,z0).The matrices X,Y,Z,U,V,and W must all be the same size and contain corresponding position and field components.The function employs the 4th order Runge-Kutta method for solving numerically differential...


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

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

DirectMath is a mathematical word processor and easy to use front end to the Mathematica computer algebra system. DirectMath makes use of a powerful pattern matching system to anticipate the calculation you want to perform, so you don't have to learn a programming language or wade through menus...


Platforms: Mac

The program computes the velocity and temperature profiles for free convection past an isothermal vertical plate. Results are obtained after solving two coupled nonlinear differential equations. The shooting method is used to obtain the boundary conditions, required to solve the coupled ODEs,...


Platforms: Matlab

This package is created with the highly appreciated theoretical help and under the supervision of Prof. DSc. Ketty Peeva.Theoretical results and methods can be found in:1. B. De Baets, Analytical solution methods for fuzzy relational equations, in the series: Fundamentals of Fuzzy Sets, The...


Platforms: Matlab