Covariance
It will compute the Kalman gain and the stationary covariance matrix using a Kalman filter with a linear forward looking model. Requirements: - MATLAB 7 or higher
Platforms: Windows, Mac, *nix, Matlab, BSD Solaris
License: Freeware | Download (66): Matlab code for the Kalman filter Download |
Covariance NMR toolbox, version 1.1 (C) (2010)David A. Snyder(1) along with Timothy Short(1), Leigh Alzapiedi(1) and Rafael Bruschweiler (2)(1) Department of Chemistry, College of Science and Health, William Paterson University; (2) Department of Chemistry and NHMFL, Florida State UniversityThe...
Platforms: Matlab
License: Freeware | Size: 8.25 MB | Download (43): Covariance NMR Toolbox Download |
Let us assume the following MIMO model:Y(k)=HX(k)+Y(k)This file can detect the number of sources, i.e the size of the vector X(k) from the received signal Y(k). The noise is assumed spatially white and the number of receivers must be strictly greater than the number of sources. For more details...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (47): Blind detection of the number of sources with hypothesis tests Download |
RiskMetrics.m: Estimates the univariate or multivariate RiskMetrics. USAGE: rm = RiskMetrics(data,alpha) INPUTS: data = ( m x n ) vector lamba = the scale parameter method = Univariate or Multivariate OUTPUTS: rm = ( m x n ) volatility vector for the univariate case or an [( n x n )x m]...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): RiskMetrics Download |
Free Split and Merge Expectation-Maximization algorithm for Multivariate Gaussian Mixtures. This algorithm is suitable to estimate mixture parameters and the number of conpounds Usage ------- [logl , M , S , P] = fsmem_mvgm(Z , [M0] , [S0] , [P0] , [option]); Inputs ------- Z Measurements (d x N)...
Platforms: Matlab
License: Freeware | Size: 215.04 KB | Download (43): Free Split and Merge Expectation Maximization for MultiVariate Gaussian Mixture Download |
Value-at-Risk calculation for portfolio stocks using variance-covariance, historical and MonteCarlo methods. Portfolio can be larger as you want including either the risk factor (stock index, currency, etc.)
Platforms: Matlab
License: Freeware | Size: 276.48 KB | Download (52): PortVaR Download |
It will compute the Kalman gain and the stationary covariance matrix using a Kalman filter with a linear forward looking model.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (57): Matlab code of the Kalman filter Script Download |
The state space model is nonlinear and is input to the function along with the current measurement.It performs the extended Kalman filter and returns the estimated next state and error covariance.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Extended Kalman Filter Script Download |
PDL::Fit::LM is a Levenber-Marquardt fitting routine for PDL. Currently, only Levenberg-Marquardt fitting is implemented. Other procedures should be added as required. For a fairly concise overview on fitting see Numerical Recipes, chapter 15 "Modeling of data". SYNOPSIS use PDL::Fit::LM;...
Platforms: *nix
License: Freeware | Size: 1.1 MB | Download (91): PDL::Fit::LM Download |
Math::NumberCruncher Perl module contains a collection of useful math-related functions. SYNOPSIS It should be noted that as of v4.0, there is now an OO interface to Math::NumberCruncher. For backwards compatibility, however, the previous, functional style will always be supported. # OO...
Platforms: *nix
License: Freeware | Size: 81.92 KB | Download (101): Math::NumberCruncher Download |
Statistics::GaussHelmert is a general weighted least squares estimation module. SYNOPSIS use Statistics::GaussHelmert; # create an empty model my $estimation = new Statistics::GaussHelmert; # setup the model given observations $y, covariance matrices # $Sigma_yy, an initial guess $b0...
Platforms: *nix
License: Freeware | Size: 13.31 KB | Download (123): Statistics::GaussHelmert Download |
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
License: Freeware | Size: 63.6 MB | Download (143): EASY-FIT Express Download |
SpectrumSolvers will offer users the possibility to calculate a Power Spectral Density (PSD) estimate based on 1 of several Steve Kay's Estimators.
SpectrumSolvers has a menu of Spectral estimators from Steve Kay's textbook, titled "Modern Spectral Estimation", 1988. The results differ...
Platforms: Windows
License: Freeware | Download (403): SpectrumSolvers (formerly Rainbow) Download |
CurveExpert Professional is a cross-platform solution for curve fitting and data analysis. Data can be modelled using a toolbox of linear regression models, nonlinear regression models, smoothing methods, or various kinds of splines.
Over 60 models are built-in, but custom regression models...
Platforms: Mac
License: Freeware | Size: 20.8 MB | Download (473): CurveExpert Professional for Mac OS X Download |
CurveExpert Professional is a cross-platform solution for curve fitting and data analysis. Data can be modelled using a toolbox of linear regression models, nonlinear regression models, smoothing methods, or various kinds of splines.
Over 60 models are built-in, but custom regression models...
Platforms: Windows
License: Freeware | Size: 20.8 MB | Download (547): CurveExpert Professional Download |
CurveExpert Professional is a cross-platform solution for curve fitting and data analysis. Data can be modelled using a toolbox of linear regression models, nonlinear regression models, smoothing methods, or various kinds of splines.
Over 60 models are built-in, but custom regression models...
Platforms: Linux
License: Freeware | Size: 20.8 MB | Download (1425): CurveExpert Professional for Linux Download |
The state space model is nonlinear and is input to the function along with the current measurement. It performs the extended Kalman filter and returns the estimated next state and error covariance. Requirements: - MATLAB 7.6 or higher
Platforms: Windows, Mac, *nix, Matlab, BSD Solaris
License: Freeware | Download (62): Extended Kalman Filter Download |
Open BEAGLE is a C Evolutionary Computation (EC) framework. It provides an high-level software environment to do any kind of EC, with support for tree-based genetic programming; bit string, integer-valued vector, and real-valued vector genetic algorithms; and evolution strategy.The Open BEAGLE...
Platforms: Windows, Mac, *nix, C/C++, BSD Solaris
License: Freeware | Download (59): Open BEAGLE Download |
In many practical signal processing problems, the objective is to estimate from measurements a set of constant parameters upon which the received signals depend.For example, high-resolution direction-of-arrival (DOA) estimation is important in many sensor systems such as radar, sonar, electronic...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): Direction of Arrival Estimation with MUSIC Algorithm Download |
This engineering note is the first of two parts:Part 1 Design and Simulation.Part 2 Real-World System Realization. (Being written)It aims at demonstrating how you may use Matlab/Simulink together with Rapid STM32 blockset and ARM Cortex-M3 processors (STM32) to develop digital signal processing...
Platforms: Matlab
License: Freeware | Size: 2.35 MB | Download (44): Introduction to Unscented Kalman Filtering Download |