Freeware Downloads for "Nonlinear Equation"

This 15-line matlab program solves the nonlinear reaction diffusion equation, called Kolmogorov-Petrovskii-Piskunov (KPP) equation to generate patterns (ribbons and rings). The numerical method is simple and program is easy to understand, and it can be extended to simulated more complex systems. The snapshot was generated by pattern(400);.

  • Platform: Matlab, Scripts
  • Publisher: Xin-She Yang
  • Date: 25-01-2013
  • Size: 10 KB

Given mean anomaly and eccentricity of an orbit, eccentric anomaly can be calculated using Kepler's Equation. However, the equation is nonlinear, and an iterative technique must be used. This program uses a fixed-point iterative technique to output eccentric anomaly to a user defined tolerance, or to a default tolerance of 10^-9 radians..

  • Platform: Matlab, Scripts
  • Publisher: John Shelton
  • Date: 12-03-2013
  • Size: 10 KB

Equation grapher is an easy-to-use software for 2D function graphing. 2D function graphs can be plotted in Cartesian and polar coordinate systems .Equation grapher is an easy-to-use software for 2D function graphing. 2D function graphs can be plotted in Cartesian and polar coordinate systems .Equation grapher is an easy-to-use software for 2D function graphing. 2D function graphs can be plotted in Cartesian and polar coordinate systems .Equation grapher is an easy-to-use software for 2D function graphing.

  • Platform: Windows
  • Publisher: GraphNow
  • Date: 16-09-2006
  • Size: 1259 KB

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 equations rapidly and accurately. An equation as complicated as: H2+18Ca(CN)2+6NaAlF4+12FeSO4+6MgSiO3+6KI +2H3PO4+12PbCrO4+24BrCl+6CF2Cl2+24SO2 = 12PbBr2+12CrCl3+6MgCO3+6KAl(OH)4+12Fe(SCN)3+ 2PI3+6NaSiO3+18CaF2+110H2O can be balanced in seconds! So, balancing chemical equations will not be your nightmare but a piece of cake from now on.

  • Platform: Windows
  • Publisher: Educationsoft
  • Date: 15-09-2012
  • Size: 3272 KB

LaserFoam performs simulations of laser pulses using an adaptive split step Fourier method to solve the generalized nonlinear Schrödinger equation. It provides a graphical environment to run and visualize the results..

Quadratic equation has the form ax2 + bx + c = 0. It will generally have two solutions; that is, two different values of x that make the equation true. It can happen that both solutions are the same number, and it is possible that the solutions will be complex or imaginary numbers. To use this software, type in values for a, b, and c in the boxes below, and press the Solve for X button. You may enter positive, negative, or zero values, but the value of a cannot be zero..

  • Platform: Tablets, Windows
  • Publisher: Gigra LLC
  • Date: 19-03-2013
  • Size: 1398 KB

The function LMFsolve.m serves for finding optimal solution of an overdetermined system of nonlinear equations in the least-squares sense. The standard Levenberg- Marquardt algorithm was modified by Fletcher and coded in FORTRAN many years ago. LMFsolve is its essentially shortened version implemented in MATLAB and complemented by setting iteration parameters as options. This part of the code has been strongly influenced by Duane Hanselman's function mmfsolve.m. Next to it, a finite difference approximation of Jacobian matrix is appended to it as a nested subfunction as well as a function for dispaying of intermediate results.

  • Platform: Matlab, Scripts
  • Publisher: Miroslav Balda
  • Date: 01-02-2013
  • Size: 10 KB

Single tank nonlinear model using simuling and linearization of it to find the transfer funtion. Response ot the linear and nonlinear system comparision.

  • Platform: Matlab, Scripts
  • Publisher: Ankit Shah
  • Date: 18-05-2013
  • Size: 31 KB

Three different nonlinear control algorithms are used to control a three degree of freedom PUMA560 robot. These algorithms are: Computed Torque Control, Sliding Mode and Backstepping Control. The robot dynamics are taken from: Brian Armstrong, Oussama Khatib & Joel Burdick , 'The Explicit Dynamic Model and Inertial Parameters of the PUMA 560 Arm' , Stanford University, Artificial Intelligence Laboratory, IEEE 1986 Put the libraries lorenz3d, sfunxyz and m3dscope into your work folder of the MATLAB.

  • Platform: Matlab, Scripts
  • Publisher: Abdel-Razzak
  • Date: 22-01-2013
  • Size: 389 KB

Simple example of the use of the FMINSEARCH function to fit the blackbody equation to the emission spectrum of an incandescent body for the purpose of estimating its color temperature and emissivity. fitblackbody.m is the fitting function. BlackbodyDataFit.m is a script that fits a small set of experimental data. Demofitblackbody.m is a script that fits a computer-generated blackbody spectrum with simulated photon noise and temperature noise (random variation in the temperature from point to point in the spectrum).

  • Platform: Matlab, Scripts
  • Publisher: Tom O'Haver
  • Date: 01-04-2013
  • Size: 10 KB

A differential equation can be solved by several methods. I have presented the simulink method to solve the differential equ. The que is showed in the screenshot. Queries and Comments are dearly invited..

  • Platform: Matlab, Scripts
  • Publisher: satendra kumar
  • Date: 14-02-2013
  • Size: 10 KB

This gui based application incorporates all aspects of pulse propagation in Nonlinear media.It uses the master equation for pulse propagation under slow varying envelop approximation known as General Nonlinear Schroedinger equation.This helps you simulate propagation of chirped or non-chirped super-gaussian and hyperbolic-secant pulses in any medium or multiple media placed in succession. The application has two modules.First one helps you analyse the input pulses.One can load different pulses whose temporal and spectral width gets displayed against them in the list provided.

The equation PDE (PDE) partial differential heat is infrequent Apers develloppement I associate a dynamical system (ODE) after discreisation space for an associated dipole matrix (A, B) according to the theory of kernel JCWillems in control Automatic heat equation..

The function The LMFnlsq.m serves for finding optimal solution of an overdetermined system of nonlinear equations in the least-squares sense. The standard Levenberg- Marquardt algorithm was modified by Fletcher and coded in FORTRAN many years ago (see the Reference). This version of LMFnlsq is its complete MATLAB implementation complemented by setting parameters of iterations as options. This part of the code has been strongly influenced by Duane Hanselman's function mmfsolve.m. Calling of the function is rather simple and is one of the following: LMFnlsq % for help output x = LMFnlsq(Eqns,X0); x = LMFnlsq(Eqns,X0); x = LMFnlsq(Eqns,X0); x = LMFnlsq(Eqns,X0,'Name',Value,.

  • Platform: Matlab, Scripts
  • Publisher: Miroslav Balda
  • Date: 05-06-2013
  • Size: 870 KB

FitChiTool provides an interface similar to the Curve Fitting Toolbox to the fitChiSquare function. This allows you to perform fits using chi-square when measurement errors are known on linear or nonlinear models. It allows allows you to perform fits with multiple independent (more than one x) variables. If measurement errors are unknown, it performs nonlinear least-squares fitting (chi-square equal to 1). To get started with FitChiTool, run the tutorial in the included HTML documentation (or run FitChiToolExample).

  • Platform: Matlab, Scripts
  • Publisher: Nathaniel Brahms
  • Date: 07-05-2013
  • Size: 225 KB

In the program, an example from the field of nonlinear chemical dynamics is presented. Governing equation and reaction scheme can be found in G. Nicolis, Dynamique Chimique, Thermodynamique, cindoTetique et mdoTecanique statistique, Dunod, Paris 2005. We use the arc length continuation method to get the steady states for a fixed value of lamda=1. We get the famous S-shaped curve. Then, we look for the steady states for a fixed value of mu=0.2. We get two disjoint braches (one branch has a turning point and gives two steady states).

  • Platform: Matlab, Scripts
  • Publisher: Housam Binous
  • Date: 01-01-2013
  • Size: 20 KB

With this equation we can find the specific volume of a real gas, in a rank of pressures, isothermally, knowing the factor acentrico the compound. The equation this in function to the understandability factor.

Genetic Programming (GP) generates nonlinear input-output models of dynamical systems from input-output measurement data. This GP-OLS toolbox applies Orthogonal Least Squares algorithm (OLS) to improve the search effeciency of GP. It can be used for static equation discovery or structure identification of simple dynamical linear-in-parameters models (i.e. NARX models, polynomial models, etc.) See http://www.fmt.vein.hu/softcomp/gp/ for more help..

  • Platform: Matlab, Scripts
  • Publisher: JdodAnos MaddodAr
  • Date: 27-05-2013
  • Size: 10 KB

The GUI application allows the user to enter the parameters of the Antoine equation and then plot vapour pressure of any chemical component versus temperature..

  • Platform: Matlab, Scripts
  • Publisher: Housam Binous
  • Date: 23-02-2013
  • Size: 10 KB

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 examples of the use of the algorithm are included -- the logistic equation, the Lorenz equations, a physical pendulum, and a simulation of a liquid bridge experiment -- and the algorithm can be easily extended to numerous other systems, both computational and experimental.

  • Platform: Matlab, Scripts
  • Publisher: Stephen vanHook
  • Date: 18-01-2013
  • Size: 20 KB

Nonlinear Equation: Freeware | All

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