Added: August 13, 2013 | Visits: 291
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...
Added: July 28, 2013 | Visits: 235
The Kalman filter can be interpreted as a feedback approach to minimize the least equare error. It can be applied to solve a nonlinear least square optimization problem. This function provides a way using the unscented Kalman filter to solve nonlinear least square optimization problems. Three...
Added: August 23, 2013 | Visits: 288
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...
Added: February 18, 2010 | Visits: 1.144
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....
Added: May 13, 2013 | Visits: 313
This upload contains a hybrid Particle Swarm Optimization algorithm for functions in the real space. An options file is also provided, which lets the user fully parameterize the process. The hybrid function used is the @fminsearch, which is available on the MATLAB core. The PSO performs very well...
Added: May 27, 2013 | Visits: 253
The Kalman filter is actually a feedback approach to minimize the estimation error in terms of sum of square. This approach can be applied to general nonlinear optimization. This function shows a way using the extended Kalman filter to solve some unconstrained nonlinear optimization problems. Two...
Added: May 12, 2010 | Visits: 679
ASCEND is a flexible modelling environment for solving hard engineering and science problems. It offers: - an object-oriented model description language for describing your system, - an interactive user interface that allows you to solve your model and explore the effect of changing the model...
Released: November 26, 2012
Added: November 26, 2012 | Visits: 297
BestCurFit calculates the parameters of 12 curves using the method of Linear Least Squares, fitting each curve to user data. The nonlinear equations are linearized. The obtained parameters are used for following optimization procedure using Simplex and Gauss-Newton algorithm. If it does not...
Released: September 30, 2013
Added: September 30, 2013 | Visits: 136
**QED Solver Calculations have never been this fast or easy!** Have an iPad? Check out QED Solver for iPad! This is the ad-supported version of QED Solver. QED is a powerful calculation tool for science and engineering problems, as well as general math problems. Calculations have never been...
Released: September 30, 2013
Added: September 30, 2013 | Visits: 163
**QED Solver Calculations have never been this fast or easy!** ? This is the ad-supported version of QED Solver. QED Solver is a powerful calculation tool for science and engineering problems, as well as general math problems. Calculations have never been so easy - just enter your problem and...
Added: May 11, 2013 | Visits: 309
This 15-line matlab program solves the nonlinear reactiondiffusion equation, called Kolmogorov-Petrovskii-Piskunov(KPP) equation to generate patterns (ribbons and rings).The numerical method is simple and program is easy tounderstand, and it can be extended to simulatedmore complex systems. The...
Added: April 19, 2013 | Visits: 320
This ZIP file contains the nonlinear model of anF-16 fighter aircraft in MATLAB/Simulink, Both high-fidelity and low-fidelity aerodynamic data are available, taken from NASA report 1538 and "Aircraft Control and Simulation" by Lewis & Stevens.A trim function is also included.F16dyn.c and...
Added: June 27, 2013 | Visits: 291
L-BFGS-B is a collection of Fortran 77 routines for solving nonlinear optimization problems with bound constraints on the variables. One of the key features of the nonlinear solver is that the Hessian is not needed. I've designed an interface to the L-BFGS-B solver so that it can be called like...
Added: May 10, 2013 | Visits: 358
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.
Added: March 28, 2013 | Visits: 277
Single tank system nonlinear model was develop & finding the operating point of it using script file of the matlab with solving of ode for it and ploting the response
Added: April 29, 2013 | Visits: 232
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.
Added: May 21, 2013 | Visits: 322
Using an engine throttle valve modeling example, this demo shares some perspectives on creation of nonlinear models of dynamic systems from the measurements of its input and outputs. It describes useful workflows for approaching the task of data-based modeling using System Identification...
Added: March 25, 2013 | Visits: 209
This is a suite of MATLAB codes to calculate effective Eckart inertias for large amplitude torsions published by Bryan M. Wong, Ryan L. Thom, and Robert W. Field in The Journal of Physical Chemistry A 110, 7406 - 7413 (2006). The Eckart inertias are obtained by solving a system of transcendental...
Released: July 08, 2012
Added: July 08, 2012 | Visits: 359
The APMonitor Modeling Language is optimization software for differential and algebraic equations. It is coupled with large-scale nonlinear programming solvers for data reconciliation, real-time optimization, dynamic simulation, and nonlinear predictive control. It is available as a free web...
Released: September 14, 2012
Added: September 14, 2012 | Visits: 258
The Biopsychology Nonlinear Toolbox is a MATLAB toolbox that combines established analysis routines in one easy to use graphical user interface.
Platforms: Windows, Mac, Linux