curve fitting

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Visual Fitting - 2.3.0

Visual Fitting is a math tool to implement linear and nonlinear curve fitting, 3d surface fitting, 4d volume data fitting and graphing.





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Rating: 5 Stars5 Stars5 Stars5 Stars5 Stars
Current Version: 2.3.0
Release Date: Sep 21, 2013
License: Demo
Price: $80
Downloads: 465


More on Curve Fitting
DataFit 8.1Data Added 1: June 21, 2007   
DataFit. Curve Data Estimation.
DataFit is a tool used to perform nonlinear regression (curve fitting), statistical analysis and data plotting. What sets DataFit apart from similar curve fitting and regression programs is its ease of use. DataFit is driven by a well-designed graphical interface, so there are no complicated instructions to remember and no programs to write. Data entry is achieved through a standard spreadsheet interface, which supports ASCII and ODBC data source import, as well as cutting and pasting data...
Size: 5.6 MB License: Shareware Price: $229 
Keywords: Curve - Data - Estimation - Fitting - Math - Nonlinear - Parameter - Plotting - Regression - Science



FindGraph 2.48Data Added 1: June 17, 2013   
FindGraph. Approximation B-spline Chart.
FindGraph is a comprehensive graphing, curve fitting, and digitizing tool. FindGraph offers 12 generic fits, including linear regression, logistic functions, fourier approximation, rationals, neural networks, B-splines and parametric curves least squares approximations, plus a library of over 300 industry-specific 2D formulas. FindGraph uses the Levenberg - Marquardt non-linear algorithm and the Simplex algorithm to fit data. A built-in Wizard helps to apply different curve fits to discover...
Size: 4.3 MB License: Shareware Price: $100 
Keywords: Approximation - B-spline - Chart - Curve - Data-analysis - Digitizing - Drawing - Equation - Fitting - Functions



NLREG 6.2Data Added 1: June 21, 2007   
NLREG. Curve Fitting Modeling Nonlinear Regression.
NLREG performs nonlinear regression and curve fitting. NLREG fits a mathematical function whose form you specify to a set of data values. Virtually any type of function can be fitted. NLREG includes a programming language similar to C that you use for describing the function to be fitted. Two dimensional line and three dimensional surface plots can be generated. The programming language includes a large selection of built-in library functions (sin, cos, log, exp, etc.) that makes it easy...
Size: 1.2 MB License: Shareware Price: $195 
Keywords: Curve Fitting - Modeling - Nonlinear Regression - Regression - Surface Fitting



Advanced Grapher 2.11Data Added 1: August 09, 2007   
Advanced Grapher. Analysis Calculating Calculus.
Powerful but easy-to-use graphing, curve fitting and calculating software. Graphs Cartesian (Y(x) and X(y)), polar and parametric functions, graphs of tables, equations (implicit functions), inequalities and slope fields. Up to 100 graphs in one window. Calculus features: regression analysis, obtaining zeroes and extrema of functions, intersections, derivatives, equations of tangents and normals, numerical integration, value tables, calculator. Lots of graph and coordinate plane parameters....
Size: 1.1 MB License: Shareware Price: $29.95 
Keywords: Analysis - Calculating - Calculus - Curve - Derivative - Equation - Fitting - Function - Graph - Graphs



CurvFit 6.210Data Added 1: May 20, 2019   
CurvFit. Calculus Programming Curve Fitting Data Fitting.
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) programming ... ie. minutes to solve, days or years to understand solution and what it implies (e.g. wrong model, sampling rate error, etc.). Helps learn 1)...
Size: 7.3 MB License: Freeware 
Keywords: Calculus Programming - Curve Fitting - Data Fitting - Equation Calculator - Exponential Series - Lorentzian Series - Math Modeling - Power Series - Sine Series



DataScene Professional for Windows 3.2.3.9Data Added 1: June 03, 2012   
DataScene Professional for Windows. Animated Graph Curve Fitting Data Analysis.
DataScene is a scientific graphing, graph animation, data analysis, curve fitting, and data monitoring program. It allows the user to easily plot 2D & 3D graphs (Area, Bar, Pie, Line, Surface, Ploar, and more), to manipulate, print, and export high quality graphs, to analyze data with various mathematical methods (fitting curves, calculating statics, FFT, and more), to create animated graphs for presentations, classes, and web pages, and to chart and process real-time data sources. * Plotting...
Size: 44.1 MB License: Shareware Price: $349 
Keywords: Animated Graph - Curve Fitting - Data Analysis - Data Monitoring - Fft - Financial - Graph Animation - Linear Regression - Plotting - Scientific Graphing



CurveExpert Basic 1 40Data Added 1: April 17, 2012   
CurveExpert Basic. Curve Curve Designer Curve Fitting.
CurveExpert Basic is a comprehensive curve fitting system for Windows. XY data can be modelled using a toolbox of linear regression models, nonlinear regression models, interpolation, or splines. Over 30 models are built-in, but custom regression models may also be defined by the user. Full-featured graphing capability allows thorough examination of the curve fit. The process of finding the best fit can be automated by letting CurveExpert compare your data to each model to choose...
Size: 1.1 MB License: Shareware Price: $45 
Keywords: Curve - Curve Designer - Curve Fitting - Curve Fitting System - Curve Plotter - Designer



CurveExpert Professional 1.0.2Data Added 1: September 05, 2012   
CurveExpert Professional. Curve Curve Fitting Curve Graph.
CurveExpert Professional is a cross-platform solution for curve fitting and data analysis. Data can be modelled using a toolbox of linear regression models, nonlinear regression models, smoothing methods, or various kinds of splines. Over 60 models are built-in, but custom regression models may also be defined by the user. Full-featured publication-quality graphing capability allows thorough examination of the curve fit. The process of finding the best fit can be automated by...
Size: 20.8 MB License: Shareware Price: $70 
Keywords: Curve - Curve Fitting - Curve Graph - Data Analysis - Graph - Plot



KinetDS 3.0 Rev 2010Data Added 1: April 27, 2012   
KinetDS 3.0 Rev. Analyze Analyzer Curve Fitting.
KinetDS is a software for curve fitting particularly designed for kinetic (mechanistic and empirical) description of a substance dissolution from solid state. It was primarily designed for handling pharmaceutical dissolution tests
Size: 3.1 MB License: Freeware 
Keywords: Analyze - Analyzer - Curve Fitting - Dissolution - Pharmaceutical Dissolution Test - Substance Dissolution



OptiVec for Visual C++ 7.1.2Data Added 1: March 07, 2017   
OptiVec for Visual C++. Curve Fitting Function Inversion.
OptiVec contains more than 3500 hand-optimized, Assembler-written functions for all floating-point and integer data types from the following fields: 1. Vectorized form of arithmetic operators and math functions. 2. Matrix operations, e.g.: multiplication, inversion, LU decomposition, singular value decomposition, eigenvalues. 3. Fast Fourier Transform techniques for efficient convolutions, correlation analyses, spectral filtering, etc., both one- and two-dimensional. 4. Curve...
Size: 15.9 MB License: Shareware Price: $249 
Keywords: Curve Fitting - Function - Inversion - Library - Linear Systems - Math - Matrix - Programming - Vector



OptiVec for C++ Builder 64-bit 6.5.6Data Added 1: May 06, 2014   
OptiVec for C++ Builder 64-bit. Curve Fitting Function Inversion.
OptiVec contains more than 3500 hand-optimized, Assembler-written functions for all floating-point and integer data types from the following fields: 1. Vectorized form of arithmetic operators and math functions. 2. Matrix operations, e.g.: multiplication, inversion, LU decomposition, singular value decomposition, eigenvalues. 3. Fast Fourier Transform techniques for efficient convolutions, correlation analyses, spectral filtering, etc., both one- and two-dimensional. 4. Curve...
Size: 4.2 MB License: Demo Price: $249 
Keywords: Curve Fitting - Function - Inversion - Library - Linear Systems - Math - Matrix - Programming - Vector



OptiVec for Delphi 7.1.2Data Added 1: February 19, 2017   
OptiVec for Delphi. Analysis Cholesky Correlation.
OptiVec contains more than 3500 hand-optimized, Assembler-written functions for all floating-point and integer data types from the following fields: 1. Vectorized form of arithmetic operators and math functions. 2. Matrix operations, e.g.: multiplication, inversion, LU decomposition, singular value decomposition, Cholesky, eigenvalues. 3. Fast Fourier Transform techniques for efficient convolutions, correlation analyses, spectral filtering, etc., both one- and two-dimensional. 4....
Size: 131.6 MB License: Shareware Price: $249 
Keywords: Analysis - Cholesky - Correlation - Curve Fitting - Decomposition - Fourier - Function - Inversion - Library - Linear Systems



OptiVec for Delphi XE6 6.5.6Data Added 1: May 26, 2014   
OptiVec for Delphi XE6. Analysis Cholesky Correlation.
OptiVec contains more than 3500 hand-optimized, Assembler-written functions for all floating-point and integer data types from the following fields: 1. Vectorized form of arithmetic operators and math functions. 2. Matrix operations, e.g.: multiplication, inversion, LU decomposition, singular value decomposition, Cholesky, eigenvalues. 3. Fast Fourier Transform techniques for efficient convolutions, correlation analyses, spectral filtering, etc., both one- and two-dimensional. 4....
Size: 8.9 MB License: Shareware Price: $249 
Keywords: Analysis - Cholesky - Correlation - Curve Fitting - Decomposition - Fourier - Function - Inversion - Library - Linear Systems



OptiVec for C++ Builder 7.1.2Data Added 1: March 07, 2017   
OptiVec for C++ Builder. Curve Fitting Function Inversion.
OptiVec contains more than 3500 hand-optimized, Assembler-written functions for all floating-point and integer data types from the following fields: 1. Vectorized form of arithmetic operators and math functions. 2. Matrix operations, e.g.: multiplication, inversion, LU decomposition, singular value decomposition, eigenvalues. 3. Fast Fourier Transform techniques for efficient convolutions, correlation analyses, spectral filtering, etc., both one- and two-dimensional. 4. Curve...
Size: 6.7 MB License: Shareware Price: $249 
Keywords: Curve Fitting - Function - Inversion - Library - Linear Systems - Math - Matrix - Programming - Vector



OptiVec for Lazarus 7.1.2Data Added 1: March 06, 2017   
OptiVec for Lazarus. Analysis Cholesky Correlation.
OptiVec contains more than 3500 hand-optimized, Assembler-written functions for all floating-point and integer data types from the following fields: 1. Vectorized form of arithmetic operators and math functions. 2. Matrix operations, e.g.: multiplication, inversion, LU decomposition, singular value decomposition, Cholesky, eigenvalues. 3. Fast Fourier Transform techniques for efficient convolutions, correlation analyses, spectral filtering, etc., both one- and two-dimensional. 4....
Size: 14.8 MB License: Shareware Price: $249 
Keywords: Analysis - Cholesky - Correlation - Curve Fitting - Decomposition - Fourier - Function - Inversion - Library - Linear Systems



Nonlinear analysis - DataFitting 1.7.29Data Added 1: September 09, 2018   
Nonlinear analysis - DataFitting. Curve Fit Curve Fitting Data.
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 nonlinear functions. DataFitting performs true nonlinear regression analysis, it does not transform the function into a linear form. As a result,...
Size: 2.9 MB License: Shareware Price: $15 
Keywords: Curve Fit - Curve Fitting - Data - Datafitting - Equation - Fitting - Formula - Function - Least Squares - Non-linear



Data Curve Fit Creator Add-in 2.80Data Added 1: August 04, 2020   
Data Curve Fit Creator Add-in. Add-in Averaging Curve Fit.
Data Curve Fit Creator Add-in is an easy-to-use data analysis add-in for Microsoft Excel. It adds curve fitting, interpolation, and data smoothing functions to Excel. Curve fitting functions include polynomial fits and a versatile local regression (loess) function. Interpolations include linear, cubic spline, bessel and monotonic 'constrained' splines, as well as a 'flexible spline' that allows you to specify the slope at each data point. Cubic spline function coefficients and slope can...
Size: 7.1 MB License: Shareware Price: $79.95 
Keywords: Add-in - Averaging - Curve Fit - Data - Data Analysis - Excel - Gaussian - Interpolation - Median - Polynomial



TriLookup 2.2Data Added 1: June 21, 2007   
TriLookup. Curve Fitting Excel Add-in Interpolation.
Excel add-in with eleven powerful worksheet functions for 1, 2 and 3 variable lookup and interpolation. Interpolation modes include: closest-value, linear, piecewise parabolic or hyperbolic, cubic spline and polynomial up to 20th order. The functions can also handle tables containing missing and invalid data. Includes functions to fit polynomial curves through a set of X-Y data points and return a table of polynomial curve coefficients, as well as, determine the best fit polynomial curve....
Size: 1.0 MB License: Shareware Price: $20 
Keywords: Curve Fitting - Excel Add-in - Interpolation - Lookup - Spreadsheet



TriLookup Mac 2.2Data Added 1: June 21, 2007   
TriLookup Mac. Curve Fitting Excel Add-in Interpolation.
Excel add-in with eleven powerful worksheet functions for 1, 2 and 3 variable lookup and interpolation. Interpolation modes include: closest-value, linear, piecewise parabolic or hyperbolic, cubic spline and polynomial up to 20th order. The functions can also handle tables containing missing and invalid data. Includes functions to fit polynomial curves through a set of X-Y data points and return a table of polynomial curve coefficients, as well as, determine the best fit polynomial curve....
Size: 758.8 KB License: Shareware Price: $20 
Keywords: Curve Fitting - Excel Add-in - Interpolation - Lookup - Spreadsheet



LeoDataAnalysis 1.1Data Added 1: February 19, 2018   
LeoDataAnalysis. Curve Fit Data Analysis Multiavariate Analysis.
Comprehensive tool for statistical analysis and modeling of experimental and market data. Universal input from outside data sources: from text files; file type and edit in spreadsheet like control; copy/paste from spreadsheets applications like MS Excel or Access; extract curve in numerical form from image chart; image file. Data manipulation procedures permit to new create and modify existing variables using simple formulas or schemes. Syntax of formulas incorporates itself ability to use...
Size: 1.4 MB License: Shareware Price: $9.95 
Keywords: Curve Fit - Data Analysis - Multiavariate Analysis



SimplexNumerica 13.0.14.1Data Added 1: February 05, 2017   
SimplexNumerica. Charts Curve Fitting Data Analysis.
SimplexNumerica is an object-oriented numerical data analyzer, plot and presentation program. SimplexNumerica is proving to be extremely popular among scientists. Ergonomic programming using the newest Windows programming guidelines with toolbars, context dialogs and interactive diagrams providing easy handling with difficult numeric mathematics. SimplexNumerica is best suited for publication type graphics, analysis of arbitrary data, analysis of measuring data, etc.
Size: 21.8 MB License: Freeware 
Keywords: Charts - Curve Fitting - Data Analysis - Data Analyzer - Data Logging - Data Presentation - Diagram - Fft - Numeric - Numerical Mathematics



CurveFitter 4.5.19Data Added 1: February 19, 2017   
CurveFitter. Curve Curve Fit Curve Fitting.
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. Fit thousands of data into your equations in seconds: CurveFitter gives scientists, researchers and engineers the power to find the ideal model for...
Size: 3.1 MB License: Shareware Price: $15 
Keywords: Curve - Curve Fit - Curve Fitting - Curvefitter - Equation - Exponential - Fitter - Formula - Function - Least Squares



LAB Fit Curve Fitting Software 7.2.41Data Added 1: October 07, 2008   
LAB Fit is a software for Windows developed for treatment and analysis of experimental data. At LABFit program you are able to:1) Treat similar data (grouped and ungrouped dataset, one or two samples);2) Treat non-similar data;3) Determine propagated error (error propagation up to eight independent variables);4) Plot 2D and 3D graph (normal, parametric, imported dataset, contour of maps);5) Execute math calculations (system of linear equations, roots of function, non-linear equation, ordinary...
Size: 3.4 MB License: Shareware Price: $60 


Fityk Data Added 1: February 25, 2010   
"Fityk is a general-purpose nonlinear curve fitting and data analysis software. Although it is being developed to analyze powder diffraction patterns, it can be used to fit analytical functions to any kind of data: crystallographic module is an independent part of the program.". fityk — free peak fitting software.
Size: 537.0 KB License: Freeware 


Grafix diagram editor 1Data Added 1: July 11, 2012   
grafix: SGML-based scientific diagram editor, can do arbitrary user-defined transformations of input data, data interpolation by several methods, and curve fitting to arbitrary user-defined functions; generates PostScript (EPS) output
Size: 108.7 KB License: Freeware 


KinetDS 32Data Added 1: September 14, 2012   
KinetDS. .
KinetDS is a software for curve fitting particularly designed for kinetic (mechanistic and empirical) description of a substance dissolution from solid state. It was primarily designed for handling pharmaceutical dissolution tests
Size: 3.1 MB License: Freeware 


peak-o-mat 433Data Added 1: September 01, 2012   
peak-o-mat. .
peak-o-mat is a curve fitting program aimed at the fast and easy fitting of spectroscopic data, especially if you face a large amount of similar spectra.
Size: 461.0 KB License: Freeware 


MasterPlex 2.0.0.73Data Added 1: August 26, 2012   
MasterPlex. Analysis Curve-fitting Curve-fitting Software.
MasterPlex is a useful tool that was created in order to provide you with a utility for ELISA Data Analysis. Allows for easy importing of data making ReaderFit your one-stop ELISA analysis software for any instrument! Curve-fitting for ELISA analysis has never been easier with full support for the 4 Parameter Logistic (4-PL) and 5 Parameter Logistic (5-PL) model equations and automatic EC50 & IC50 calculations for Dose Response Curves.
Size: 46.1 MB License: Shareware Price: $449 
Keywords: Analysis - Curve-fitting - Curve-fitting Software - Data Analysis - Elisa - Elisa Analysis



CurveUtils 1.0Data Added 1: April 18, 2013   
A set of self-contained C++ routines to sample and resolve functions properly for plotting, as well as curve fitting routines that fit spectral features. This is mainly useful for scientific simulations where spectral data need to be fully resolved. MIT License
Size: License: Freeware 


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