Redox Equations
A high-performance simulation package for sampling the chemical and reaction-diffusion master equations. Primarily intended for running stochastic simulations of microbial cells.
Platforms: Mac, Linux
License: Freeware | Size: 1.85 MB | Download (45): Lattice Microbes Download |
The Okada [1985] model allows to calculate analytic solution for surface deformation due to shear and tensile faults in an elastic half-space. This model is widely used to simulate ground deformation produced by local perturbation like tectonic faults (earthquakes) or volcanic dykes. Given...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Okada: Surface deformation due to a finite rectangular source Download |
The code uses the SRK EOS written for a single component to plot isotherms, compute gas and liquid molar volumes and to plot vapor pressure versus temperature for ethane.Please visit these links for a paper by Z. Nasri and H. Binous where all equations are given as well as the same calculations...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Screenshot Applications of the Soave-Redlich-Kwong Equation of State using Matlab Download |
MATLAB in Physics is a four lecture series in MATLAB that is offered to first year physics undergraduate students. This lecture shows how to use MATLAB to simulate physical systems using a range of methods. Projectile motion is analysed using the Symbolic Math Toolbox, then more complicated...
Platforms: Matlab
License: Freeware | Size: 143.36 KB | Download (45): Screenshot MATLAB in Physics - Symbolic Computation and Differential Equations Download |
This e-book is based on the Student Edition of MATLAB 7, which includes a symbolic toolbox. The Professional Edition may of course also be used. The goal is to exploit a restricted subset of MATLAB commands and functions to explore most of the elements of undergraduate mathematics. All items from...
Platforms: Matlab
License: Freeware | Size: 40.96 KB | Download (45): Alternative Mathematics using MATLAB 7 Download |
The method uses finite differences to solve Laplace equation and matrix inversion to solve the resulting system of linear algebraic equations. The rectangular plate has both dimensions set equal to unity. Each dimension is discretized and the total number of nodal points is equal to 29*29. To...
Platforms: Matlab
License: Freeware | Size: 30.72 KB | Download (45): Temperature Profile in a Rectangular Plate Download |
The project discusses the problematics of making a system of differential equations describing the transition processes in the operation of resistance furnaces, their realization through digital methods and the analysis of the achieved results. Solving of the problem thus formulated is carried...
Platforms: Matlab
License: Freeware | Size: 51.2 KB | Download (45): Mathematical Modeling of Electrotechnological Devices Download |
This book is written for computational scientists who would like to incorporate state-of-the-art computational methods for solving large sparse systems of linear equations.For a full book description and ordering information, please visithttp://www.mathworks.com/support/books/boo...=-1&language=-1
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (45): Templates for the Solution of Linear Systems Download |
NBODYVECT - Fully vectorized n-body equationnbodyVect(x0,dx0,mus,t) integrates the n-body equations of motion using either a symplectic second order integrator, or any of the standard built-in or user supplied first order integrators. x0 - 3n x 1 stacked initial position vectors:...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Vectorized N-Body Equation Download |
Ok, my approach is very different from the ones I have seen. I followed four premises:a) The pendulum is essential linear, and the nonlinearity of the angle is not relevant. (This is an assumption, and I make no attempt to verify it.)b) Any coupling between n resonators creates n resonance...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Metronome with Driving Force Download |
The enclosed files provide a nonlinear algorithm for controlling dynamical systems, particularly in regimes where linear control methods often fail, such as the targeting of states that are distant in phase space from the system dynamics (e.g., a fixed point at the center of a limit cycle). Four...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (45): nlcontrol Download |
Software for reduced-order discrete-time infinite horizon LQG design based on the SDOPE (Strengthened Discrete-time Optimal Projection Equations).The software is described in and associated to the paper:L.G. Van Willigenburg, W.L. De Koning, 2000,"Numerical algorithms and issues concerning the...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (45): Optimal reduced-order discrete-time LQG design Download |
It provides a way and interface to find fixed points in system equations, determine their properties and to animate the results.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Toolbox for Analysis of Complex System Using Fixed Points Script 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 |
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 |
Minsky enables the simulation of economics models defined in terms of couple ordinary differential equations. The models are defined using a drawing canvas (rather like VisSim), and a double entry bookkeeping system known as a Godley table.
Platforms: Windows, Mac, BSD, Linux
License: Freeware | Size: 3.45 MB | Download (44): Minsky Download |
PredatorPreySimulation is a graphical Java application for simulating a predator prey ecosystem using the Volterra-Lotka equations.
Platforms: Windows, Mac, Linux
License: Freeware | Size: 1.4 MB | Download (44): PredatorPreySimulation Download |
PRIN-3D (PRoto-code for Internal ows modeled by Navier-Stokes equations in 3-Dimensions) is a CFD code written in MATLAB, with turbulent and reactive capabilities.
Platforms: Windows, Mac, Linux
License: Freeware | Size: 324 KB | Download (44): PRIN-3D Download |
Radial++ is a C++ template library for scattered data interpolation in any dimension and also the numerical solution of partial differential equations. It provides generalized Radial Basis Functions (p.e. multiquadric, this-plate spline, etc).
Platforms: Mac, BSD
License: Freeware | Size: 2.11 MB | Download (44): Radial++ Download |
Unlike all other posted DTMF programs, my application is specifically designed to simulate the working of a real DSP processor especially for beginners.That would mean that digital oscillator was used to create sine and cosine functions and signal is passed through 8 filters. The signal is...
Platforms: Matlab
License: Freeware | Size: 40.96 KB | Download (44): DTMF Filtering and Noise Simulator Download |