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Least Squares Adjustment freeware
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Least Squares Adjustment

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Added: May 11, 2013 | Visits: 277

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

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: February 17, 2010 | Visits: 935

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: 797

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: 820

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 (88): Statistics::GaussHelmert Download

Added: June 21, 2013 | Visits: 293

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

Released: August 25, 2012  |  Added: August 25, 2012 | Visits: 361

DMFitter ActiveX control DMFitter ActiveX control allows you to add sophisticated regression analysis tools to your software in a few lines of code. Features include: both linear and nonlinear (Levenberg-Marquardt) least squares curve fitting algorithms, arbitrary user models (defined analytically or by string...


Platforms: Windows

License: Freeware Size: 368.64 KB Download (28): DMFitter ActiveX control Download

Released: August 23, 2012  |  Added: August 23, 2012 | Visits: 349

DynaFit The DynaFit application was developed to perform nonlinear least-squares regression of chemical kinetic, enzyme kinetic, or ligand-receptor binding data. The experimental data can be either initial reaction velocities in dependence on the concentration of varied species (e.g., inhibitor...


Platforms: Windows

License: Freeware Size: 5.8 MB Download (33): DynaFit Download

Released: November 26, 2012  |  Added: November 26, 2012 | Visits: 317

BestCurFit 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...


Platforms: Windows

License: Freeware Size: 1.81 MB Download (34): BestCurFit Download

Released: December 14, 2012  |  Added: December 14, 2012 | Visits: 285

Java Graticule 3D (OpenAdjustment) JAG3D is a tool to estimate geodetic 1d, 2d and 3d-networks by a least-square-adjustment called GauAz-Markov-Model. Moreover, the software supports deformation-analysis. Add-ons are coordinate-transformation (CoordTrans) or the Form-Fitting-Toolbox.


Platforms: Windows, Mac, Linux

License: Freeware Size: 3.69 MB Download (28): Java Graticule 3D (OpenAdjustment) Download

Released: June 09, 2012  |  Added: June 09, 2012 | Visits: 283

Motofit Motofit co-refines Neutron and X-ray reflectometry data, using the Abeles matrix / Parratt recursion and least squares fitting (Genetic algorithm or Levenberg Marquardt). It works in the IGOR Pro environment (TM Wavemetrics).


Platforms: Windows, Mac, Linux

License: Freeware Size: 8.84 MB Download (29): Motofit Download

Released: June 22, 2012  |  Added: June 22, 2012 | Visits: 245

Sake Sake is a PHP implementation of Polynomial Least Squares Regression. The algorithm takes data points as input and returns the resulting polynomial. Graphs can be made using any plotting package. Sake provides the polynomial and will compute as many point


Platforms: Windows, Mac, Linux

License: Freeware Size: 22.7 KB Download (27): Sake Download

Released: July 12, 2012  |  Added: July 12, 2012 | Visits: 383

Tidal Analysis Program in PYthon Tidal Analysis Program in PYthon (TAPPY) uses the least squares optimization function from scipy to perform a harmonic analysis (calculate amplitude and phases of a set of sine waves) of a hourly time series of water level values.


Platforms: Windows, Mac, Linux

License: Freeware Size: 1.19 MB Download (28): Tidal Analysis Program in PYthon Download

Added: June 01, 2013 | Visits: 301

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 (22): zpkfit Download

LMFsolve.m: Levenberg-Marquardt-Fletcher algorithm for nonlinear least squares problems 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...


Platforms: Matlab


Added: September 03, 2013 | Visits: 250

Lomb normalized periodogram Both functions caculate the Lomb normalized periodogram (aka Lomb-Scargle, Gauss-Vanicek or Least-Squares spectrum) of a vector x with coordinates in t, which is essentially a generalization of the DFT for unevenly sampled data.The codes are transcriptions from Fortran of the subroutines found in...


Platforms: Matlab

License: Freeware Size: 10 KB Download (18): Lomb normalized periodogram Download

Added: June 04, 2013 | Visits: 276

variogramfit variogramfit performs a least squares fit of various theoretical variograms to an experimental, isotropic variogram. The user can choose between various bounded (e.g. spherical) and unbounded (e.g. exponential) models. A nugget variance can be modelled as well, but higher nested models are not...


Platforms: Matlab

License: Freeware Size: 20.48 KB Download (21): variogramfit Download

Added: August 23, 2013 | Visits: 308

LMFnlsq - Solution of nonlinear least squares 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...


Platforms: Matlab

License: Freeware Size: 870.4 KB Download (21): LMFnlsq - Solution of nonlinear least squares Download

Added: April 26, 2013 | Visits: 346

AdvCurveFit This example solves a complex curve fitting problem that involves parameter pooling and stratification using a nonlinear least-squares approach. This example also takes advantage of some new language features with MATLAB 7. * Anonymous functions * Nested functions


Platforms: Matlab

License: Freeware Size: 51.2 KB Download (20): AdvCurveFit Download

Released: December 25, 2012  |  Added: December 25, 2012 | Visits: 372

SciCraft for Linux SciCraft is an open source data analysis software developed in Python which allows you to access advanced mathematical functions through an easy-to-use graphical interface. Typical methods can be anything from areas like statistics, chemometrics and artificial intelligence and from languages like...


Platforms: Linux

License: Freeware Size: 2.53 MB Download (269): SciCraft for Linux Download

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