Redox Equations
The program PEEI 3.0.0.0 calculates a numerical solution of almost all the systems of partial differential equations who have number of equations equal or greater of the number of unknown functions.
Platforms: Windows
License: Freeware | Size: 265.5 KB | Download (325): PEEI Download |
Chemical Equation Expert is an integrated tool for chemistry professionals and students. You'll find complicated work such as balancing chemical equations and related calculations so easy and even enjoyable!
Key Feafures -
1. An intelligent balancer Chemical Equation Expert balances chemical...
Platforms: Windows
License: Freeware | Size: 3.2 MB | Download (745): Chemical Equation Expert Download |
Python Stencil Environment also know as PySE is a new python library for solving Partial Differential Equations with the Finite Difference Method (FDM). This is still a quite new library, and the current release must be considered as beta software. It is quite rough around the edges,...
Platforms: *nix
License: Freeware | Size: 94.21 KB | Download (159): Python Stencil Environment Download |
BrightMaRe project is a tool that translates LaTeX equations to ASCII/UTF-8 text..
Platforms: *nix
License: Freeware | Size: 163.84 KB | Download (94): BrightMaRe Download |
Laeqed is a Latex equation editor specifically targeted at producing PNG images of math equations for use on web pages. Laeqed runs wherever Java and Latex runs, i.e. Linux, Windows, Mac... The Latex equation, preamble, postamble and dvipng options are saved with the PNG as meta data. This...
Platforms: *nix
License: Freeware | Download (135): Laeqed Download |
XMDS is a code generator that integrates equations. You write them down in human readable form in a XML file, and it goes away and writes and compiles a C++ program that integrates those equations as fast as it can possibly be done in your architecture.
Platforms: *nix
License: Freeware | Size: 28.59 MB | Download (106): XMDS Download |
Gerris project is an Open Source Free Software library for the solution of the partial differential equations describing fluid flow. Gerris is supported by NIWA (National Institute of Water and Atmospheric research) and by the Marsden Fund of the Royal Society of New Zealand. The code is...
Platforms: *nix
License: Freeware | Size: 3.9 MB | Download (206): The Gerris Flow Solver Download |
a powerful, easy-to-use, equation plotter with numerical and calculus features: - Graph Cartesian functions, relations, and inequalities, plus polar, parametric, and ordinary differential equations. - Up to 999 graphs on screen at once. - New data plotting and curve-fitting features. -...
Platforms: Windows
License: Shareware | Cost: $25.00 USD | Size: 378.88 KB | Download (479): Graphmatica Download |
FX Equation software was designed to be an equation editor that takes the chore of formatting equations away from you. It is for people who love the output from the modern equation editors but hate using them. FX Equation automatically formats, with a minimum of input from you, just about all of...
Platforms: Windows
License: Shareware | Cost: $43.48 USD | Size: 3.4 MB | Download (500): FX Equation Download |
Xem Application allows you to solve pH balance equations. Requirements: - Qt
Platforms: *nix, C/C++, BSD
License: Freeware | Download (57): Xem Application Download |
For an input of n equations, it converges to the solution.For an input of >n equations, there is no exact solution. In this case, the function minimizes sum( (individual equation errors).^2)
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (42): Newton Method in N dimensions Download |
solvesimul.m can be easily adapted to solve more equations but as it stands it will solve 2 unknowns in 2 equations (1 non-linear and one linear).To solve equations of this form... a*x + b*y = A (1) a1*x^2 + b1*y^2 = B (2)...with fsolve (used by solvesimul.m) you need to rewrite them so that they...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (44): Solving non-linear and linear simultaneous equations with fsolve Download |
It estimates the Newton Raphson optimization procedure for (m) unknowns of (n) non-linear equations. In case no Jacobian vector is presented, then the initial Jacobian vector is estimated by Broyden Method (multivariate secant approach) and it is then updated using the Sherman Morrison...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (52): Newton Raphson Optimization Procedure Download |
It is application of of Simulink Block to Cardiac PDE VI1 system of 2 non linear coupled equations of PDE and try to design solution with dicretized space and time and issue in 1D.I associate a Doc file to introduction theory.Just see this page simulink and not for run.I will next time develop...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (42): Application OF Block Simulink To Cardiac PDE VI1 Download |
This function solves the linear fractional-order differential equations (FODE) with constant coefficients. The short memory principle has not neen used here, so the length of input signal is limited to few hundred samples. The parameters of the FODE (in its standard form) are the inputs of this...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Fractional-order differential order equation solver Download |
First-order-degree linear differential and non-homogeneous equation's solution possible the unknown integration multipler technique. Also, this simple technique's depend both sides of original homogeneous differential equation. The solution is slightly and more complicated if this integration...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (48): First-Order Degree Linear Differential Equations (Integration factor Ig=x^a*y^b) (Update: 23-06-07) Download |
Two mass variable equations with "Aerospace 3Dof Simple Variable Mass Blockset" are compared in a 1Dof frictionless environment. Initial conditions are given in Model Callbacks.Results showed that "Aerospace 3Dof Simple Variable Mass Blockset" uses the incorrect equation.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (44): Aerospace Blockset / Incorrect Variable Mass Equation Download |
LYAPACK is a MATLAB toolbox for the solution of certain large scale problems in control theory, which are closely related to Lyapunov equations. In contrast to the 'lyap' and 'dlyap' command in the MATLAB Control toolbox it uses iterative algorithms and is intended for large, sparse problems.
Platforms: Matlab
License: Freeware | Size: 1.02 MB | Download (41): LYAPACK Download |
FDE12 solves an initial value problem for a non-linear differential equation of fractional order (FDE).This is an implementation of the predictor-corrector method of Adams-Bashforth-Moulton described in [1]. Convergence and accuracy of the method are studied in [2]. The implementation with...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (55): Predictor-corrector PECE method for fractional differential equations Download |
Simulink is used for as GUI and matlab solves resulting equations. Requires SimPowerSystems!
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 4.08 MB | Download (42): Simulink Load Flow Download |