Free Downloads: Nonlinear Curve Fitting

License:  All 1 2 | Free

Shareware
Visual Fitting Screenshot
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Math tool for linear, nonlinear curve fitting and surface fitting, curve and surface can be created.

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...

Category: Home & Education / Mathematics
Publisher: GraphNow, License: Shareware, Price: USD $80.00, File Size: 2.4 MB
Platform: Windows



Commercial
DataFit Screenshot
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DataFit is a tool for performing curve fitting, statistical analysis & data plotting. Fit equations with up to 100 parameters to data with up to 20 independent variables. Define your own equations or choose from over 600 pre-defined equations.

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...

Category: Business & Finance
Publisher: Oakdale Engineering, License: Commercial, Price: USD $229.00, File Size: 5.6 MB
Platform: Windows

5 Stars5 Stars5 Stars5 Stars5 Stars Shareware
FindGraph Screenshot
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FindGraph is a graphing, curve-fitting, and digitizing tool for engineers, scientists and business. Discover the model that best describes your data.

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...

Category: Home & Education / Mathematics
Publisher: UNIPHIZ Lab, License: Shareware, Price: USD $99.95, File Size: 4.3 MB
Platform: Windows

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OptiVec for Borland C/C++: Assembler-written library of vector and matrix functions, 2-3 times faster than compiled C/C++ code: Math, statistics, analysis, FFT, matrix inversion, decomposition, curve-fitting - in total more than 3500 functions.

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...

Category: Software Development
Publisher: OptiCode - Dr. Martin Sander Software Dev., License: Shareware, Price: USD $249.00, File Size: 2.0 MB
Platform: Windows, ME, XP/Vista

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OptiVec for Delphi 2005: Assembler-written library of vector and matrix functions, 2-3 times faster than compiled source code: Math, statistics, analysis, FFT, matrix inversion, decomposition, curve-fitting - in total more than 3500 functions.

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...

Category: Software Development
Publisher: OptiCode - Dr. Martin Sander Software Dev., License: Shareware, Price: USD $249.00, File Size: 2.2 MB
Platform: Unknown

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OptiVec for Delphi 2006: Assembler-written library of vector and matrix functions, 2-3 times faster than compiled source code: Math, statistics, analysis, FFT, matrix inversion, decomposition, curve-fitting - in total more than 3500 functions.

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...

Category: Software Development
Publisher: OptiCode - Dr. Martin Sander Software Dev., License: Shareware, Price: USD $249.00, File Size: 2.2 MB
Platform: Unknown

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OptiVec for Delphi 4: Assembler-written library of vector and matrix functions, 2-3 times faster than compiled source code: Math, statistics, analysis, FFT, matrix inversion, decomposition, curve-fitting - in total more than 3500 functions.

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...

Category: Software Development
Publisher: OptiCode - Dr. Martin Sander Software Dev., License: Shareware, Price: USD $249.00, File Size: 2.2 MB
Platform: Windows, ME, XP

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OptiVec for Delphi 5: Assembler-written library of vector and matrix functions, 2-3 times faster than compiled source code: Math, statistics, analysis, FFT, matrix inversion, decomposition, curve-fitting - in total more than 3500 functions.

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...

Category: Software Development
Publisher: OptiCode - Dr. Martin Sander Software Dev., License: Shareware, Price: USD $249.00, File Size: 2.2 MB
Platform: Windows, ME, XP

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OptiVec for Delphi 6: Assembler-written library of vector and matrix functions, 2-3 times faster than compiled source code: Math, statistics, analysis, FFT, matrix inversion, decomposition, curve-fitting - in total more than 3500 functions.

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...

Category: Software Development
Publisher: OptiCode - Dr. Martin Sander Software Dev., License: Shareware, Price: USD $249.00, File Size: 2.2 MB
Platform: Windows, ME, XP

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OptiVec for Delphi 7: Assembler-written library of vector and matrix functions, 2-3 times faster than compiled source code: Math, statistics, analysis, FFT, matrix inversion, decomposition, curve-fitting - in total more than 3500 functions.

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...

Category: Software Development
Publisher: OptiCode - Dr. Martin Sander Software Dev., License: Shareware, Price: USD $249.00, File Size: 2.2 MB
Platform: Windows, ME, XP

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OptiVec for Visual C++: Assembler-written library of vector and matrix functions, 2-3 times faster than compiled C/C++ code: Math, statistics, analysis, FFT, matrix inversion, decomposition, curve-fitting - in total more than 3500 functions.

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...

Category: Software Development
Publisher: OptiCode - Dr. Martin Sander Software Dev., License: Shareware, Price: USD $249.00, File Size: 1.9 MB
Platform: Windows, ME, XP

Shareware
Advanced Grapher Screenshot
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Graphing, curve fitting and calculating software. Graphs Cartesian, polar and parametric functions, graphs of tables, implicit functions and inequalities. Calculus features: regression analysis, derivatives, tangents, normals and more.

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...

Category: Home & Education
Publisher: Alentum Software, Inc., License: Shareware, Price: USD $29.95, File Size: 1.1 MB
Platform: Windows

Freeware
CurvFit Screenshot
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A curve fitting program: Lorentzian, Sine, Exponential & Power series are available models to match your data. A Lorentzian series is recommended for real data especially for multiple peaked data. Another improved productivity example.

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...

Category: Home & Education / Mathematics
Publisher: Optimal Designs Enterprise, License: Freeware, Price: USD $0.00, File Size: 3.7 MB
Platform: Windows

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

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...

Category: Home & Education / Mathematics
Publisher: Institute of Mathematics and Statistics, License: Shareware, Price: USD $15.00, File Size: 3.1 MB
Platform: Windows, Other

Data Curve Fit Creator Add-in Screenshot
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Adds data curve fitting, interpolation and data smoothing functions to Excel. Functions include polynomial fits, several types of splines, and local regressions. Filters include moving average, Gaussian smoothing and median filtering.

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...

Category: Business & Finance / Spreadsheets
Publisher: SRS1 Software, LLC, License: Shareware, Price: USD $79.95, File Size: 5.7 MB
Platform: Windows, Other

Demo
NLREG Screenshot
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NLREG performs nonlinear regression and curve fitting.

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...

Category: Business & Finance / Applications
Publisher: Phillip H. Sherrod, License: Demo, Price: USD $195.00, File Size: 1.2 MB
Platform: Windows

Shareware
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DataFitX is a COM component (in-process ActiveX DLL) which allows you to add a powerful nonlinear regression (curve fitting) engine to your software with just a few simple lines of code.

DataFitX is a COM component (in-process ActiveX DLL) which allows you to add a powerful Nonlinear regression (Curve Fitting) engine to your software with just a few simple lines of code. DataFitX is developed using COM, so it can be used in any environment that supports COM, including Microsoft Visual Basic, Microsoft Visual C++, Delphi and VBA (Microsoft Excel, Microsoft...

Category: Software Development / ActiveX
Publisher: Oakdale Engineering, License: Shareware, Price: USD $0.00, File Size: 2.2 MB
Platform: Windows

LAB Fit Curve Fitting Software Screenshot
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LAB Fit is a software for Windows developed for treatment and analysis of experimental data.

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,...

Category: Home & Education / Science
Publisher: Wilton Pereira da Silva, License: Shareware, Price: USD $60.00, File Size: 3.3 MB
Platform: Windows

Shareware
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CurveExpert is a comprehensive curve fitting system for Windows.

CurveExpert 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...

Category: Business & Finance / Applications
Publisher: Hyams Development, License: Shareware, Price: USD $45.00, File Size: 1.1 MB
Platform: Windows

5 Stars5 Stars5 Stars5 Stars5 Stars Freeware
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2D/3D technical graphics plotting and data analysis software for your plotting needs. Curve fitting, FFT and a presentation software! Download a demo of our analysis and plotting software!

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...

Category: Home & Education / Mathematics
Publisher: Dipl.-Phys.-Ing. Ralf Wirtz, License: Freeware, Price: USD $0.00, File Size: 21.8 MB
Platform: Windows

5 Stars5 Stars5 Stars5 Stars5 Stars Shareware
DataScene Screenshot
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DataScene is a data graphing, animation, and analysis software package. It allows the user to plot 39 types 2D & 3D graphs with brilliant quality, to create graph animations, to analyze data with various methods, and to chart real-time data sources.

DataScene is a data graphing, animation, and analysis software package. It allows the user to easily plot 2D & 3D graphs (Area, Bar, Pie, Line, Surface, Ploar, and more) with scientific, financial, and statistical data, to manipulate, print, and export high quality graphs, to analyze data with various mathematical methods (Fitting curves, calculating statics, FFT, and more), to create...

Category: Multimedia & Design / Authoring Tools
Publisher: CyberWit, Inc., License: Shareware, Price: USD $219.00, File Size: 44.1 MB
Platform: Windows

Shareware
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EnzFitter is a generic curve-fitting package which has custom features designed to make it especially suitable for analysis of enzyme kinetics experiments.

EnzFitter is a generic Curve-Fitting package which has custom features designed to make it especially suitable for analysis of enzyme kinetics experiments.
For example, initial rate and parameter values can be obtained with their confidence limits for single and twin substrate rate data.
Built-in models include Michaelis-Menten with or without substrate inhibition,...

Category: Utilities / Misc. Utilities
Publisher: Biosoft, License: Shareware, Price: USD $300.00, File Size: 2.0 MB
Platform: Windows

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GraphPad Prism is a highly efficient tool capable of doing all mathematical calculations as well as graphical plotting such as curve fitting.

GraphPad Prism is a highly efficient tool capable of doing all mathematical calculations as well as graphical plotting such as Curve Fitting. It’s not just an ordinary application that makes plotting easier, but also a powerful one that can be utilized even for the superior purposes such as scientific graphics.

Even the way of its operation is very convenient as...

Category: Business & Finance / Applications
Publisher: GraphPad Software, License: Demo, Price: USD $570.00, File Size: 18.6 MB
Platform: Windows

Shareware
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Now you can save time with TableCurve 2D - a linear and non-linear curve fitting program.

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 modeling and...

Category: Business & Finance / Applications
Publisher: SYSTAT Software, License: Shareware, Price: USD $499.00, File Size: 0
Platform: Windows

Freeware
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Simfit is a computer package for simulation, statistical analysis, curve fitting and graph plotting using models from a compiled library or from ASCII text files supplied by the user.

Simfit is a computer package for simulation, statistical analysis, Curve Fitting and graph plotting using models from a compiled library or from ASCII text files supplied by the user. It can be used for teaching the principles of Curve Fitting, simulation and statistical analysis to students, but it will be found most useful by those interested in serious data...

Category: Business & Finance / Applications
Publisher: University of Manchester, License: Freeware, Price: USD $0.00, File Size: 13.6 MB
Platform: Windows

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License:  All 1 2 | Free