Least Squares


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Motofit  v.4

Motofit co-refines Neutron and X-ray reflectometry data, using the Abeles matrix / Parratt recursion and least squares fitting (Genetic algorithm or Levenberg Marquardt).

Tidal Analysis Program in PYthon  v.0.9.0

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.





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FindGraph  v.2.48

FindGraph is a graphing, curve-fitting, and digitizing tool for engineers, scientists and business. Discover the model that best describes your data.

NMath Matrix

NMath Matrix is an advanced matrix manipulation library that extends NMath Core to include structured sparse matrix classes (triangular, symmetric, Hermitian, banded, tridiagonal, symmetric banded, and Hermitian banded), factorizations (LU, Bunch-Kaufman,

Regression Analysis - CurveFitter  v.4.5.6

CurveFitter program performs statistical regression analysis to estimate the values of parameters for linear, multivariate, polynomial, exponential and nonlinear functions.

SYSTAT  v.13.0.05

SYSTAT is a versatile and comprehensive statistical software package. It employs a staggering range of powerful techniques to help conduct many types of research. SYSTAT Offers All the Statistical Computing Power That Researchers Need.

DataFit  v.9.0.59

DataFit is a science and engineering tool that simplifies the tasks of data plotting, regression analysis (curve fitting) and statistical analysis. What sets DataFit apart from similar curve fitting and regression programs is its ease of use.

GraphSight  v.2.0.1

GraphSight v 2 is a software for math graphing solutions that has curve fitting capabilities. GraphSight 2 is perfect for high school and college math students. This utility is feature rich and comprehensive.

Fityk  v.0.9.8

Fityk is user friendly, open source software for nonlinear curve fitting and data analysis.

Datasqueeze  v.2. 1. 2003

Datasqueeze is a graphical interface for analyzing data from 2D x-ray diffraction detectors (wire, image plate, CCD), running on Windows, Linux, and Macintosh OS X.

CoGeo  v.1.0.0008

UK Based Civil Engineering and Surveyor Software Developers, covering all aspects of surveying and engineering including digital terrain modeling. - Reduce Traverse and Resection Observations? - Reduce Field Observations? - Reduce Levels?

EasyReg  v.9.0

EasyReg conducts various econometric estimation and testing tasks on all 32 bit and 64 bit Windows platforms (95 through 7), simply by clicking the mouse. EasyReg is designed for use in empirical research, and for teaching econometrics.

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