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Lsqnonlin freeware
 

Lsqnonlin

Added: April 24, 2013 | Visits: 185

lsqnonlinSym A wrap of lsqnonlin to calculate Jacobian using symbolic math toolbox. This is one of applications of symbolic math toolbox for optimization. Due to limitations of the symbolic math toolbox, the objective function must be supported by the symbolic math toolbox. Platforms: Matlab

License: Freeware Size: 10 KB Download (18): lsqnonlinSym Download

Added: June 01, 2013 | Visits: 250

zpkfit zpkfit uses the nonlinear least-squares fitter (lsqnonlin) to fit an analytic model of any (fixed) number of poles and zeroes to numerical (presumably measured) frequency response data. It takes as arguments a frequency vector, a frequency response vector, and vectors of the initial guesses of... Platforms: Matlab

License: Freeware Size: 10 KB Download (21): zpkfit Download

Added: September 08, 2013 | Visits: 245

lsqnonlinCSD Complex step differentiation (CSD) is a superior numerical differentiation approach. Normally, it is more efficient and accurate than finite difference appraoch. This package provides a way to improve the MATLAB lsqnonlin function using the CSD. Platforms: Matlab

License: Freeware Size: 10 KB Download (19): lsqnonlinCSD Download

Added: May 09, 2013 | Visits: 281

Non-linear regression GUI The non-linear regression problem (univariate or multivariate) is easily posed using a graphical user interface (GUI) that solves the problem using one of the following solvers: - nlinfit: only univariate problems. - lsqnonlin: can deal with multivariate problems (more than one dependent fitting... Platforms: Matlab

License: Freeware Size: 30.72 KB Download (20): Non-linear regression GUI Download

Added: June 09, 2013 | Visits: 360

Generalized Nonlinear Non-analytic Chi-Square Fitting fitChiSquare is a generalized chi-square fitting routine for any model function when data measurement errors are known; it returns the model parameters and their uncertainties at the delta chi-square = 1 boundary (68% confidence interval). It also returns the chi-square and degrees of freedom... Platforms: Matlab

License: Freeware Size: 40.96 KB Download (19): Generalized Nonlinear Non-analytic Chi-Square Fitting Download

Added: September 09, 2013 | Visits: 218

RMSEARCH Some optimization problems have very simple surfaces to optimize. The optimizer simply proceeds downhill to the unique minimizer and returns happily - all is good in the world. Sadly, more often the objective function has multiple local minimizers, you as the user provide poor starting values,... Platforms: Matlab

License: Freeware Size: 102.4 KB Download (18): RMSEARCH Download

Added: August 22, 2013 | Visits: 284

Optimization Tips and Tricks New users and old of optimization in MATLAB will find useful tips and tricks in this document, as well as examples one can use as templates for their own problems.Use this tool by editing the file optimtips.m, then execute blocks of code in cell mode from the editor, or best, publish the file to... Platforms: Matlab

License: Freeware Size: 92.16 KB Download (18): Optimization Tips and Tricks Download