Least Squares Software

BestCurFit 1.0 Rodomontano 

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 converge to a solution the curve is optimized with the . Freeware download of BestCurFit 1.0, size b.


   
 

DynaFit 3.28.070 BioKin 

The main purpose of the program DynaFit is 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 concentration vs. velocity), or the reaction progress . Freeware download of DynaFit 3.28.070, size 6.17 Mb.

Linear Algebra 2 Orlando Mansur 

Performs computations associated with matrices, including solution of linear systems of equations (even least Squares solution of over-determined or inconsistent systems and solution by LU factors), matrix operations (add, subtract, multiply), finding the determinant, trace, inverse, adjoint, QR or LU factors, eigenvalues and eigenvectors, . Free download of Linear Algebra 2, size 2.33 Mb.

SmartPLS 6.0.200.2 Institute of Operations Management and Organizations, University of Hamburg, Germany 

SmartPLS is a software application for (graphical) path modeling with latent variables (LVP). The partial least Squares (PLS)-method is used for the LVP-analysis in this software.

In the download area, the first beta-version is accessible (free of charge). A registration is required! The following new features are presented in the new . Freeware download of SmartPLS 6.0.200.2, size 4.57 Mb.

tpsSuper 1.10.0.2 F. James Rohlf 

tpsSuper performs a least-Squares orthogonal generalized Procrustes analysis, unwarps (using the thin-plate spline) the images for each specimen to the consensus configuration, and then averages the unwarped images.

The program can now unwarp and average to an arbitrary configuration of landmarks (see the tpsTree program) and to a . Freeware download of tpsSuper 1.10.0.2, size 1.26 Mb.

XLGENLINE 1 1 NPL 

XLGENLINE is an Excel-based software program that allows the user to perform generalised least Squares (GLS) regression analysis that is fully compliant with the International Standard ISO 6143. XLGENLINE calculates the values and uncertainties of the ‘unknowns’, displays a plot of the fitted regression function, and outputs the . Freeware download of XLGENLINE 1 1, size 2.76 Mb.

DynaFit 4.04.061 Beta 1.0 BioKin, Ltd. 

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 concentration vs. velocity), or the reaction progress curves . Freeware download of DynaFit 4.04.061 Beta 1.0, size 6.08 Mb.

Motofit 4 motofit.sourceforge.net 

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). . Freeware download of Motofit 4, size 9.27 Mb.

GURLS 1.0 cbcl.mit.edu 

GURLS - (Grand Unified Regularized least Squares) is a software package for training multiclass classifiers based on the Regularized least Squares (RLS) loss function.

The initial version has been designed and implemented in Matlab. Teh current goal is to implement an object-oriented C++ version to allow for a wider distribution of the . Freeware download of GURLS 1.0, size 0 b.

PhotoDistorter 2010-06-14 Georg Marius 

An application that allows real time image distortion with the intention to align images as preprocessing step for panorama- or HDR- image creation. Algortithms: Beier Nelly, Moving least Squares. Language: C# (extra: C++ lib port of algorithms)

Features:

* realtime interaction using OpenGL
* global and local . Freeware download of PhotoDistorter 2010-06-14, size 5.38 Mb.

The Unscrambler 10.0.0 CAMO Software 

The Unscrambler® X 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 Classification.Extensively used across a wide . Free download of The Unscrambler 10.0.0, size 28.31 Mb.

.NET Matrix Library 32-bit Developer 5.0 Bluebit Software 

The Bluebit .NET Matrix Library provides classes for object-oriented linear algebra in the .NET platform. It can be used to solve systems of simultaneous linear equations, least-Squares solutions of linear systems of equations, eigenvalues and eigenvectors problems, and singular value problems. Also provided are the associated matrix factorizations . Free download of .NET Matrix Library 32-bit Developer 5.0, size 9.25 Mb.

.NET Matrix Library 64-bit Developer 5.0 Bluebit Software 

The Bluebit .NET Matrix Library provides classes for object-oriented linear algebra in the .NET platform. It can be used to solve systems of simultaneous linear equations, least-Squares solutions of linear systems of equations, eigenvalues and eigenvectors problems, and singular value problems. Also provided are the associated matrix factorizations . Free download of .NET Matrix Library 64-bit Developer 5.0, size 14.48 Mb.

Geoida 1.0 Convergent Computations Pty Ltd 

Geoida is a software product that will benefit members of the surveying and related professions for the day-to-day routine processing, coordination and adjustment of spatial survey data, from routine pick-up surveys to complex networks of geodetic scale.
Developed particularly for Australian requirements but with global application, Geoida . Free download of Geoida 1.0, size 6.25 Mb.

tpsTree 1.12.0.1 F. James Rohlf 

Fit and visualize thin-plate splines on trees. Windows. Performs a least-Squares orthogonal generalized Procrustes analysis to obtain a reference and then estimates the splines for each group (internal node) on a tree. Both ultrametric (e.g., WPGMA and UPGMA trees) and additive trees (using squared change parsimony to estimate the shapes of the . Freeware download of tpsTree 1.12.0.1, size 1.51 Mb.

DMFitter ActiveX control 11.8.0.386 RRR 

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 expressions), double precision input vectors of any size, event . Freeware download of DMFitter ActiveX control 11.8.0.386, size 374.78 Kb.

statsmodels 1.0 statsmodels.sourceforge.net 

Statistical models with python using numpy and scipy. Currently covers linear regression (with ordinary, generalized and weighted least Squares), robust linear regression, and generalized linear model. . Freeware download of statsmodels 1.0, size 4.29 Mb.

CoffeeSaint for Windows 4.4 Folkert van Heusden 

CoffeeSaint is a fully customizable Nagios status viewer. It grabs the status from a Nagios server and displays it in a fullscreen GUI.
It is written in Java so it should run on all platforms (tested on Linux, AIX 6.1 and windows xp) capable of running Java 5. For compiling with GCJ you need at least version 4.4.5 of GCJ. It also runs fine . Freeware download of CoffeeSaint for Windows 4.4, size 241.17 Kb.

WinRock for Windows 8.0.0.13 R.A.Kanen 

WinRock is a petrology/geochemistry program for Windows. WinRock plots IUGS igneous classification diagrams, including QAPF diagrams, plus sandstone, general purpose XY, log, and ternary diagrams. Each diagram contains separate labeled fields corresponding to individual rock types with data and rock names listed in separate tables. There are . Free download of WinRock for Windows 8.0.0.13, size 7.61 Mb.

.NET Matrix Library 2.2.5000.7 Bluebit Software 

The Bluebit .NET Matrix Library provides classes for object-oriented linear algebra in the .NET platform.It can be used to solve systems of simultaneous linear equations, least-Squares solutions of linear systems of equations, eigenvalues and eigenvectors problems, and singular value problems. Also provided are the associated matrix factorizations . Free download of .NET Matrix Library 2.2.5000.7, size 3.66 Mb.


Least Squares Web Results

Flexible Least Squares (FLS)

Developed by Robert E. Kalaba and Leigh Tesfatsion, implements the flexible least squares (FLS) approach to time-varying linear regression proposed by Kalaba and Tesfatsion in "Time-Varying...

USGS Spectroscopy Lab - Tricorder 1990 paper

Mapping of mineral and vegetation absorption features in imaging spectrometer data is demonstrated using a least-squares solution of the total band shape of a reference library spectrum to spectra...

Newmat09: C++ Matrix Library

Emphasis is on the kind of operations needed in statistical calculations such as least squares, linear equation solve and eigenvalues.

Software by P.B. Stark and Coauthors

Bvls.f solves least-squares problems with bounds on the variables. Qr.f computes QR decompositions in a stable way. Sbl1.f finds bounds on linear functionals of an n-vector subject to an l1...

Galahad

Thread-safe library of Fortran 90 packages for solving nonlinear optimization problems, covering unconstrained and bound-constrained optimization, quadratic programming, nonlinear programming,...

Stanford Business Software

Sells Fortran 77 optimization codes MINOS (linear programming and nonlinear optimization), SNOPT (large-scale quadratic and nonlinear programming), NPSOL (nonlinear programming), LSSOL (Linearly...

PIRLS

Poisson Iteratively Reweighted Least Squares Program for Additive, Multiplicative, Power, and Non-linear Models, by Leif E. Peterson, Journal of Statistical Software v2 (1997).