Curve Fitting Software

Plot and analyze graphs of equations and data

Advanced Grapher
 

Alentum Software, Inc.
 

Powerful but easy-to-use graphing, curve fitting and calculating software. Graphs Cartesian, polar and parametric functions, graphs of tables, implicit functions, inequalities and slope fields. Up to 100 graphs in one window. Calculus features: regression analysis, intersections, derivatives, tangents, normals and more. The program has printing capabilities, multi-document interface, customizable toolbars.

Software Keywords: graph parametric equation derivative analysis fitting

 
NLREG performs nonlinear regression

NLREG
 

Phillip H. Sherrod
 

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.

Software Keywords: nlreg nonlinear performs curve surface fitting

 
Curve fitting and data plotting software.

DataFit
 

Oakdale Engineering
 

DataFit is a tool used to perform nonlinear regression (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. Results include customizable 2D/3D plots, as well as detailed fit information. Export code in BASIC or C to use an equation in a user written program. Easy to learn and use.

Software Keywords: regression analysis nonlinear statistics datafit parameter

Fast vector and matrix library for Delphi2006

OptiVec for Delphi 2006
 

OptiCode - Dr. Martin Sander Software Dev.
 

OptiVec brings the power of vectorized programming to the PC. Replacing loops over data arrays by the hand-optimized, Assembler-written vector and matrix functions of OptiVec speeds up program execution by up to 2-3 times and enhances accuracy and safety. More than 3500 functions for math, statistics, analysis, signal processing, matrix operations, curve fitting, graphics etc. For Borland Delphi 2006.

Software Keywords: matrix library function programming math vector

Nonlinear regression (curve fitting) DLL

DataFitX
 

Oakdale Engineering
 

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. Since DataFitX is developed using COM technology, it can be used in any software or development environment that supports COM, including Microsoft Visual Basic, Microsoft Visual C++, Delphi and VBA (Microsoft Excel, Microsoft Access or any VBA enabled client).

Software Keywords: data parameter statistics com dll curve

Comprehensive graphing and curve fitting tool

FindGraph
 

UNIPHIZ Lab
 

FindGraph is comprehensive, feature-rich graph editor, as well as a curve fitting and digitizing tool for engineers, scientists and graduate students. Convert plots back to X,Y data from any published report for later processing and manipulations. The program offers 10 generic fits, including Linear Regression, Logistic Functions, Fourier approximation, Neural Networks, plus a library of over 120 industry-specific formulas.

Software Keywords: regression curve comprehensive math digitizing

Linear, nonlinear curve and surface  fitting.

Visual Fitting
 

GraphNow
 

Use Visual Fitting to implement 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. Excel-like data editor is easy to use. 4. Ability to move, zoom in, zoom out and rotate the graphs in plot area. 5. Ability to save graphs as bmp file.

Software Keywords: nonlinear curve fitting surface fitting

Data analysis and multivariate analysis.

Visual Stats
 

GraphNow
 

Implement data analysis and multivariate statistical analysis. 1. Probability analysis. 2. Compute descriptive statistics of selected data. 3. Frequency analysis. 4. Compare means and variances. 5. Variance analysis. 6. Univariate linear regression and multivariate linear regression. 7. Linear curve fitting and nonlinear curve fitting. 8. Excel-like data editor is easy to use.

Software Keywords: multivariate statistics analysis statistics regression nonlinear regression anova

Vector and matrix library for Delphi 6

OptiVec for Delphi 6
 

OptiCode - Dr. Martin Sander Software Dev.
 

Brings the power of vectorized programming to the PC. Replacing loops over data arrays by the hand-optimized, Assembler-written vector and matrix functions of OptiVec can speed up program execution by 2-3 times and enhances accuracy and safety. More than 3500 functions for math, statistics, analysis, signal processing, matrix operations, curve fitting, etc. For Borland Delphi 6.

Software Keywords: inversion library function math matrix

Vector and matrix library for Borland C/C++

OptiVec for Borland C++
 

OptiCode - Dr. Martin Sander Software Dev.
 

Brings the power of vectorized programming to the PC. Replacing loops over data arrays by the hand-optimized, Assembler-written vector and matrix functions of OptiVec can speed up program execution by 2-3 times and enhances accuracy and safety. More than 3500 functions for math, statistics, analysis, signal processing, matrix operations, curve fitting, etc. For Borland C++4.0+ or BC++Builder.

Software Keywords: library matrix function math vector inversion

 

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