This script allows you to run a linear equations solver using eval and built-in complex numbers.One could add one more line to insert '*' where needed, i.e. "100x" -> "100*x", add some input validation, in particular check whether the equation is actually linear and not quadratic or cubic, and...
Platforms: Windows, Mac, *nix, Python, BSD Solaris
|License: Freeware||Download (35): Linear equations solver Download|
Lagrange is a function that calculate equations of motion (Lagrange's equations) d/dt(dL/d(dq))- dL/dq=0. It Uses the Lagrangian that is a function that summarizes thedynamics of the system. Symbolic Math Toolbox is required.
|License: Freeware||Size: 10 KB||Download (20): Lagrange's equations Download|
Graphical user interface (GUI) is used to solve up to two ordinary differential equations (ODEs). Results can be plotted easily. Choose between MATLAB's ode45 (non-stiff solver) or ode15s (stiffer solver).This is primarily a teaching tool.
|License: Freeware||Size: 30.72 KB||Download (22): Graphical ODE solver for one or two ordinary differential equations Download|
The program solves algebraic equations. It displays the graphic of the function and a list of the real roots of the equation. It also includes the option to evaluate a function and its derivative. The application has a simple wizard-driven interface.The context sensitive help will guide you step...
|License: Freeware||Size: 661 KB||Download (316): DeadLine Download|
The program PEEI 22.214.171.124 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.
|License: Freeware||Size: 265.5 KB||Download (307): 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...
|License: Freeware||Size: 3.2 MB||Download (719): Chemical Equation Expert Download|
X2 - Equations calculates the real roots of rational second grade equations, showing the results with fractions (Yeah!) It also gives geometric info related to the parabola.
|License: Freeware||Size: 120 KB||Download (126): X2 - Equations 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,...
|License: Freeware||Size: 94.21 KB||Download (135): Python Stencil Environment Download|
BrightMaRe project is a tool that translates LaTeX equations to ASCII/UTF-8 text..
|License: Freeware||Size: 163.84 KB||Download (73): 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...
|License: Freeware||Download (108): 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.
|License: Freeware||Size: 28.59 MB||Download (82): 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...
|License: Freeware||Size: 3.9 MB||Download (178): The Gerris Flow Solver Download|
GROMACS is a versatile package to perform molecular dynamics, i.e. simulate the Newtonian equations of motion for systems with hundreds to millions of particles.
It is primarily designed for biochemical molecules like proteins, lipids and nucleic acids that have a lot of complicated bonded...
Platforms: Mac, Linux
|License: Freeware||Size: 9.92 MB||Download (254): Gromacs for Mac OS X and Linux Download|
Xem Application allows you to solve pH balance equations. Requirements: - Qt
Platforms: *nix, C/C++, BSD
|License: Freeware||Download (33): 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)
|License: Freeware||Size: 10 KB||Download (20): Newton Method in N dimensions 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...
|License: Freeware||Size: 10 KB||Download (24): 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...
|License: Freeware||Size: 10 KB||Download (20): 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...
|License: Freeware||Size: 10 KB||Download (23): Fractional-order differential order equation solver 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.
|License: Freeware||Size: 10 KB||Download (18): 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.
|License: Freeware||Size: 1.02 MB||Download (18): LYAPACK Download|