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Home Education Mathematics Nonlinear analysis - DataFitting Download

Nonlinear analysis - DataFitting

February 25, 2025
DataFitting is a statistical software that enables precise curve fitting through linear and nonlinear regression analysis.
Nonlinear analysis - DataFitting
Nonlinear analysis - DataFitting Screenshot
Version 1.7.72
License Shareware $15
Platform Windows
Supported Languages English
System Requirements None
Homepage www.math-solutions.org
Developed by Institute of Mathematics and Statistics
DataFitting is an exceptional statistical analysis program for students, teachers, engineers, researchers, and other professionals. Its main function is to perform linear and nonlinear regression analysis or curve fitting. Its goal is to find the values of parameters for an equation you select, which best fit a set of data values. By doing this, it eliminates the hassle of tedious calculations, allowing users to focus on the big picture of their data.

DataFitting is a versatile tool that can handle linear, polynomial, exponential, and general nonlinear functions. It performs true nonlinear regression analysis which does not transform the function into a linear form. Therefore, it can handle complex functions that are impossible to linearize, such as y = (a - c) * exp(-b * x) + c.

With DataFitting's built-in library, users have access to a wide array of linear and nonlinear models from simple linear equations to high order polynomials. It quickly finds the best equations that describe your data, even the most complex ones, by putting a large number of equations at your fingertips.

DataFitting also boasts a graphical user interface that allows users to preview their graph and output publication-quality graphs in several different configurations. Once your data has been fit, DataFitting automatically sorts and plots the fitted equations by the statistical criteria of Standard Error. A residual graph as well as parameter output is generated for the selected fitted equation. Data, statistical and numeric summaries are also available from within the report-panel.

The program comes with a 38-digit precision math emulator for accurately fitting high order polynomials and rationals. Additionally, it has a robust fitting capability for nonlinear fitting that effectively copes with outliers and a wide dynamic Y data range.

If you're looking for a reliable statistical analysis program that can handle any regression analysis, then DataFitting is the perfect tool. Its user-friendly interface ensures that even novices can perform complex statistical analyses without any hiccups.
What's New

Version 1.7.72: Various updates to underlying Library

Version 1.7.71: Updated user manual in application (with context help)

Version 1.7.70: Major restructuring of the calculating algorithms.

Version 1.7.69: For optimum performance, the underlying algorithms and functions are reshuffled.

Version 1.7.68: User interface improvements.

Version 1.7.67: Application’s internal structural modification and optimization.

Version 1.7.66: Enhanced user manual in application (with context help)

Version 1.7.65: Reduced memory usage

Version 1.7.64: New features added

Version 1.7.63: Higher precision improvements

regression function equation data parsing non-linear formula nonlinear datafitting fitting
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