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Least Squares software
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Least Squares

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Orthogonal Least Squares Algorithms for Sparse Signal Reconstruction OLS - Orthogonal Least Squares: Proposed by T. Blumensath, M. E. DaviesStOLS - Stagewise OLS: Combining StOMP ideas with OLSROLS - Regularized OLS: Combining ROMP ideas with OLS Platforms: Matlab


Added: August 23, 2013 | Visits: 236

Discrete Least-Squares Rational Approximation Constructs discrete least-squares rational approximations to data using the full-Newton algorithm for solving separable non-linear least-squares problems that was developed in:Carlos F. Borges, A Full-Newton Approach to Separable Nonlinear Least Squares Problems and its Application to Discrete... Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (18): Discrete Least-Squares Rational Approximation Download

Added: April 27, 2013 | Visits: 251

Constrained Hermite Taylor Series Least Squares Like the finite difference method, the Taylor Series Least Squares method can be used to estimate derivatives. The TLS technique can be used to estimate derivatives from scattered or unstructured data. The Hermite Taylor Series Least Squares technique augments the TLS approach with information... Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (18): Constrained Hermite Taylor Series Least Squares Download

Added: February 17, 2010 | Visits: 898

Statistics::LineFit Statistics::LineFit module least squares line fit, weighted or unweighted. SYNOPSIS use Statistics::LineFit; $lineFit = Statistics::LineFit->new(); $lineFit->setData (@xValues, @yValues) or die "Invalid data"; ($intercept, $slope) = $lineFit->coefficients(); defined $intercept or die... Platforms: *nix

License: Freeware Size: 24.58 KB Download (100): Statistics::LineFit Download

Added: July 04, 2010 | Visits: 768

Statistics::OLS Statistics::OLS is a Perl module to perform ordinary least squares and associated statistics. SYNOPSIS use Statistics::OLS; my $ls = Statistics::OLS->new(); $ls->setData (@xydataset) or die( $ls->error() ); $ls->setData (@xdataset, @ydataset); $ls->regress(); my ($intercept, $slope)... Platforms: *nix

License: Freeware Size: 8.19 KB Download (79): Statistics::OLS Download

Added: April 23, 2010 | Visits: 790

Statistics::GaussHelmert 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 (87): Statistics::GaussHelmert Download

Added: June 15, 2013 | Visits: 198

Moving Least Squares This package contains a set of tools that allows to deform in real-time points and images using the Moving Least Squares algorithms. This is a fast technique to get good image deformations without using the computational expansive techniques provided by the thin-plates splines algorithms. The... Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 1.13 MB Download (19): Moving Least Squares Download

Added: May 20, 2013 | Visits: 295

weighted total least squares straight line fit The problem of fitting a straight line to data with uncertainties in both coordinates is solved using a weighted total least-squares algorithm. The parameters are transformed from the usual slope/y-axis intersection pair to slope angle and distance to the origin. The advantages of this are that... Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (19): weighted total least squares straight line fit Download

weighted total least squares for mutually correlated coordinates The problem of fitting a straight line to data with uncertainties in both coordinates is solved using a weighted total least-squares algorithm. The parameters are transformed from the usual slope/y-axis intersection pair to slope angle and distance to the origin. The advantages of this are that... Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (18): weighted total least squares for mutually correlated coordinates Download

Added: April 20, 2013 | Visits: 228

Least Squares Curve Fitting Very limited application of least squares. It gives you the plotted curves of original and plotted data with the equation in polynomial form. you can also evaluate that polynomial at different points for prediction.note:1.it would be best viewed on 1024x768.2. if you copy and paste data in data... Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 163.84 KB Download (19): Least Squares Curve Fitting Download

Added: April 19, 2013 | Visits: 216

Total Least Squares Method We present a Matlab toolbox which can solve basic problems related to the Total Least Squares (TLS) method in the modeling. By illustrative examples we show how to use the TLS method for solution of:- linear regression model- nonlinear regression model- fitting data in 3D space- identification of... Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (18): Total Least Squares Method Download

Analytical solution for Orthogonal Linear Least Squares in two dimensions ORTHLLS2D returns the Orthogonal Linear Least Squares estimate for parameters of line a x + b y + c = 0function f = OrthLLS2D(x, y)Inputs x and y must be real vectors of equal size.Output f is the real vector [a b c] where a, b and c are the estimated parameters of the linear equation.Since a... Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (18): Analytical solution for Orthogonal Linear Least Squares in two dimensions Download

Added: July 31, 2013 | Visits: 207

Least squares with minimum-norm solution This function calculates the minimum-norm solution of the least squares problem A*X = B. Where A is low-rank matrix. The function LSMIN is faster then the matlab alternative X = pinv(A)*B. Uses the LAPACK functions (S,C,D,Z)EGLSS or (S,C,D,Z)EGLSD. Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (18): Least squares with minimum-norm solution Download

Added: August 08, 2013 | Visits: 220

Least Squares Data Fitting in MATLAB Demonstration of least squares data fitting using both inverse and backslash operators.This example was developed for use in teaching modeling, simulation, and optimization in graduate engineering courses. A corresponding video is available at: Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (18): Least Squares Data Fitting in MATLAB Download

Added: July 17, 2013 | Visits: 310

3D Least squares polynomial fit in x and y Often, measured data is comprised of N sampled values of z, evaluated at N locations (x,y). With this function, you can calculate the coefficients of the best-fit x,y polynomial using a linear least squares approximation.You can use this function if you have a set of N data triplets x,y,z, and... Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (20): 3D Least squares polynomial fit in x and y Download

Added: June 21, 2013 | Visits: 253

Multiple Coherence Function For a system having multiple inputs x and outputs y, the partial coherence is the coherence computed between any individual input and the output when the effect of all other inputs is removed from the output by a linear least squares prediction. This coherence obeys the usual inequality, and will... Platforms: Matlab

License: Freeware Size: 10 KB Download (20): Multiple Coherence Function Download

Added: May 17, 2013 | Visits: 251

Unimodal regression M-files for unimodality (or monotonically) constrained least squares regression. Platforms: Matlab

License: Shareware Cost: $0.00 USD Size: 10 KB Download (18): Unimodal regression Download

Added: May 11, 2013 | Visits: 260

dmgps The design matrix of a GPS network is established for any kind of least squares adjustment, namely;-free (trace minimum),-minimum constrained,-over-determined.The user can adapt easily dmgps to the adjustment problem of a GPS network whose baselines are taken as observations. Moreover, it can be... Platforms: Matlab

License: Freeware Size: 10 KB Download (26): dmgps Download

Released: May 12, 2006  |  Added: November 29, 2006 | Visits: 5.170

The Unscrambler The Unscrambler® is the complete multivariate analysis and experimental design software, equipped with powerful methods including Principal Component Analysis (PCA), Multivariate Curve Resolution (MCR), Partial Least Squares Regression (PLS-R), 3-Way PLS Regression, K-Means Clustering and SIMCA... Platforms: Windows

License: Shareware Cost: $0.00 USD Size: 29.31 MB Download (626): The Unscrambler Download

Added: August 21, 2008 | Visits: 2.299

Linear Regression Performs linear regression using the Least Squares method. Determines the regression coefficients, the generalized correlation coefficient and the standard error of estimate. Does multivariate regression. Displays 2D and 3D plots. Platforms: Windows

License: Shareware Cost: $15.00 USD Size: 1.71 MB Download (196): Linear Regression Download

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