Data Fitting Software

SimulReflec rc llb.cea.fr 

X-rays and polarised neutron reflectivity data fitting. . Freeware download of SimulReflec rc, size 2.48 Mb.


   
 

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.

EASY-FIT Express 1.0 Klaus Schittkowski 

The software system solves constrained nonlinear parameter estimation problems. Synonyms are data fitting, nonlinear regression, parameter identification, curve and surface fitting. The numerical methods are based on highly efficient Gauss-Newton-SQP algorithms.Model functions are defined in a modeling language called PCOMP and are interpreted and . Freeware download of EASY-FIT Express 1.0, size 66.69 Mb.

ndCurveMaster 3.1.0.13 Tomasz Cepowski 

ndCurveMaster is n-dimensional automated data fitting and nonlinear equation discovery software.
ndCurveMaster can load a data set consisting of observed or measured values and automatically discover a set of equations to calculate the values which closely match the measured ones.
ndCurveMaster automated can apply nonlinear curve fits to . Free download of ndCurveMaster 3.1.0.13, size 5.92 Mb.

dwi-toolbox 0.1 dwi-toolbox.sourceforge.net 

The dwi-toolbox provides a set of free and open-source Matlab routines for the simulation and analysis of Diffusion-Weighted Magnetic Resonance Imaging data. It includes data-fitting, simulation, visualization and statistical components. . Freeware download of dwi-toolbox 0.1, size 512.67 Kb.

CurvFit 6.11 Optimal Designs Enterprise 

CurvFit (tm) is a curve fitting program for Windows. Lorentzian, Sine, Exponential and Power series are available models to match your data. A Lorentzian series is highly recommended for real data especially for multiple peaked and/or valleys data.

CurvFit is another improved productivity example do to using Calculus (level) . Freeware download of CurvFit 6.11, size 3.86 Mb.

NMR Titration Data Fitting Tool 2.0 nmrtitrationfit.sourceforge.net 

This is a set of scripts that helps with processing of NMR pH titration data. These scripts allow for fitting (using R) and plotting of data of multiple residues. The program needs to be made more user friendly. . Freeware download of NMR Titration Data Fitting Tool 2.0, size 18.70 Kb.

EASY-FIT ModelDesign 5.13 Klaus Schittkowski 

The system solves constrained nonlinear parameter estimation (nonlinear regression, data, curve and surface fitting) problems based on ODEs, DAEs, PDEs, PDAEs, steady-state systems, Laplace equations, and analytical functions.
A statistical analysis provides confidence intervals, correlation and covariance matrix, identification of significant . Free download of EASY-FIT ModelDesign 5.13, size 72.72 Mb.

TableCurve 2D 5. 1. 2005 SYSTAT Software 

Now you can save time with TableCurve 2D - a linear and non-linear curve fitting program. This program will automate the curve fitting process for you in a single step with its built-in equations, enabling you to find the ideal model for your 2D data. TableCurve 2D includes equations from single linear to high order Chebyshev polynomials for data . Free download of TableCurve 2D 5. 1. 2005, size 0 b.

Visual Fitting For Academic 2.3.0 GraphNow 

Math tool for linear, nonlinear curve fitting and surface fitting.
1. Implement curve fitting and graphing of linear models and nonlinear models.
2. Implement surface fitting and graphing of any binary function models.
3. 4d data fitting and graphing.
4. Polynomial fitting and graphing.
5. Excel-like data editor is easy to . Free download of Visual Fitting For Academic 2.3.0, size 2.56 Mb.

DataFitting 1.7.10 Institute of Mathematics and Statistics 

DataFitting is a powerful statistical analysis program that performs linear and nonlinear regression analysis (i.e. curve fitting). DataFitting determines the values of parameters for an equation, whose form you specify, that cause the equation to best fit a set of data values. DataFitting can handle linear, polynomial, exponential, and general . Free download of DataFitting 1.7.10, size 3.06 Mb.

Regression Analysis - DataFitting 1.7 Institute of Mathematics and Statistics 

DataFitting is a powerful statistical analysis program that performs linear and nonlinear regression analysis (i.e. curve fitting). DataFitting determines the values of parameters for an equation, whose form you specify, that cause the equation to best fit a set of data values. DataFitting can handle linear, polynomial, exponential, and general . Free download of Regression Analysis - DataFitting 1.7, size 2.00 Mb.

ReactLab EQUILIBRIA 1.0 Jplus Consulting 

Global analysis of multivariate spectrophotometric data to determine underlying reaction mechanisms together with all reaction parameters and intermediate spectra. Compatible measurements include UV-Vis, IR, Raman, NMR, ESR and CD. A compiled Matlab analysis kernel and graphical GUI which is extremely robust and easily maintained. A versatile Excel . Free download of ReactLab EQUILIBRIA 1.0, size 177.97 Mb.

Curve Fitter 1.0.0 Evolved Microbe 

Curve Fitter is a practical application that allows you to visualize and to fit data imported from CSV files. The program allows you to edit the data that you want to fit by manually selecting and deleting the points that you want to exclude.

You can examine a certain fragment from the data file by browsing the raw data or by selecting . Free download of Curve Fitter 1.0.0, size 0 b.

Easy CurveFit 3.0 HAN 

"Easy CurveFit" is a very easy tool to fit curve. Only three steps you should do, and you'll get the fitting curve and the needed parameters. The models include linear and nonlinear.Regressions:

1. Linear Fit, y=a+bx;
2. Quadratic Fit, y=a+bx+cx^2;
3. Compound Fit, y=ab^x;
4. Logatithmic Fit, y=a+b*ln(x);

Regression Analysis - CurveFitter 4.5.6 Institute of Mathematics and Statistics 

CurveFitter program performs statistical regression analysis to estimate the values of parameters for linear, multivariate, polynomial, exponential and nonlinear functions. The regression analysis determines the values of the parameters that cause the function to best fit the observed data that you provide. This process is also called curve . Free download of Regression Analysis - CurveFitter 4.5.6, size 3.22 Mb.

Gepasi 3 3 Pedro Mendes 

Gepasi is a software package for modeling biochemical systems. It simulates the kinetics of systems of biochemical reactions and provides a number of tools to fit models to data, optimize any function of the model, perform metabolic control analysis and linear stability analysis.

Gepasi simplifies the task of model building by . Freeware download of Gepasi 3 3, size 3.19 Mb.

CurveFitter 4.5.20 Institute of Mathematics and Statistics 

CurveFitter performs statistical regression analysis to estimate the values of parameters for linear, multivariate, polynomial, exponential and nonlinear functions. The regression analysis determines the values of the parameters that cause the function to best fit the observed data that you provide. This process is also called curve fitting.
. Free download of CurveFitter 4.5.20, size 3.21 Mb.

Nonlinear regression - CurveFitter 4.5.24 Institute of Mathematics and Statistics 

CurveFitter performs statistical regression analysis to estimate the values of parameters for linear, multivariate, polynomial, exponential and nonlinear functions. The regression analysis determines the values of the parameters that cause the function to best fit the observed data that you provide. This process is also called curve fitting.
. Free download of Nonlinear regression - CurveFitter 4.5.24, size 3.21 Mb.

Algebrus 3.1 Astrise Corporation 

Powerful and extensible computer system for scientific and technical calculations. No matter if you are a school student or recognized scientist, Algebrus serves your needs. It is easy to use and interactive means of solving problem in various areas of expertise. Console based scientific calculator, 2D and 3D graphs plotter, differential, algebraic . Free download of Algebrus 3.1, size 2.96 Mb.