Nonlinear Correlation

[FDOUT, FREQ_AXIS] = FDCORR(A,B,FRANGE)FDCORR Joint frequency and delay correlation Performs an efficient circular cross correlation between two vectors over all possible frequency offsets (Dopplers) between -pi and pi where 2pi is the sampling rate.A: vector representing received signal sampled...

Uses fft to calculate the circular cross correlation of two periodic signal vectors.This is equivalent to xc(k)=sum(u1.*circshift(u2,k)), but much faster (on the order of 500 times faster for a 1024 point signal).The package also includes two examples. One checks the calculation against the...

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


Platforms: Matlab

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 , d-deDUThe Explicit...


Platforms: Matlab

A package of Matlab functions for exploring spatial patterns of correlation in high resolution climate data. Cross-similarity parameters (dominant lag, max-similarity, window cross-similarity) are calculated for each pair of records and presented on maps as well as plots with an intersite...


Platforms: Matlab

Calculates 6 different intraclass correlation coefficients based on the schema described by Shrout & Fleiss (Psychol Bull. 1979;86:420-428). See comments in code.


Platforms: Matlab

Calculates point biserial correlation and tests for significance with either ttest or ranksum test.


Platforms: Matlab

The solution of the nearest correlation matrix applies the hypershpere or spectral decomposition methods as outlined in Monte Carlo methods in Finance by Peter Jackel, Chapter 6.Use CorrelationExample.m that applies a simple example for the two cases.


Platforms: Matlab

Calculate windowed cross correlation between two signals A and B up to a pre-defined lag. Usage is similar to the Matlab function SPECGRAM.


Platforms: Matlab

Solves the mixed integer nonlinear problem:min p(x,y)s.t. f(x,y)


Platforms: Matlab

CurveFitter performs statistical regression analysis to estimate the values of parameters for linear, multivariate, polynomial, exponential and nonlinear functions. The regression analysis determines the values of the parameters that cause the function to best fit the observed data that you...


Platforms: Windows, Windows 7, Other

DataFitting is a powerful statistical analysis program that performs linear and nonlinear regression analysis (i.e. curve fitting). DataFitting determines the values of parameters for an equation, whose form you specify, that cause the equation to best fit a set of data values. DataFitting can...


Platforms: Windows, Windows 7, Other

Numerically solves systems of simultaneous nonlinear equations. It can fully explore defined intervals to search for multiple solutions or quickly find solutions starting with random seeds. You may predefine constants and specify the error bound for the results. Handles a wide variety of...


Platforms: Windows

StatsEasy Correlation is an online Java applet that allows you to compute the Coefficient of Correlation, it displays the results along with a scatter diagram and line graph. Some knowledge of statistics is required.


Platforms: Any Browser+Java

The software system solves constrained nonlinear parameter estimation problems. Synonyms are data fitting, nonlinear regression, parameter identification, curve and surface fitting. A statistical analysis provides confidence intervals, correlation and covariance matrices, identification of...


Platforms: Windows

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

NLO helps studying the nonlinear optical effects of crystals. It offers a GUI to plot the theoret. expected 'maker fringes', captures images from video, retrieves data from and sends data to a LockIn, controls a stepping motor, imports and plots datase


Platforms: Windows, Mac, Linux

This code calculates the cross-correlation for specified time windows over the duration of two input signals. The time windows can be shifted by increments smaller than the time window length. The code is based upon the 'xcorr' function.


Platforms: Matlab

The proposed algorithm is based on nonlinear derivatives to automatically select the best edge information. This algorithm can replace the classical derivative with the following benefits:- univocal edge localization for synthetic and real images- noise reduction with no regularization: the noise...


Platforms: Matlab

The program takes the columns of an input matrix and calculates the auto and cross correlation of these columns using an fft method. The result is very similar to the xcorr function. This method could be used to evaluate the cross correlation of repeating code sequences, and other similar...


Platforms: Matlab