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Fityk

Field	Value
name	Fityk
logo	Fityk.png
logo size	48px
screenshot	Fityk screenshot.png
screenshot size	250px
caption	Fityk 1.0.1 under Windows
developer	Marcin Wojdyr
released
latest_release_version	1.3.1
latest_release_date
operating_system	Cross-platform
programming language	C++
genre	Curve fitting
license	GNU GPL
website

Fityk is curve fitting and data analysis application, predominantly used to fit analytical, bell-shaped functions to experimental data. It is positioned to fill the gap between general plotting software and programs specific for one field, e.g. crystallography or XPS.

Originally, Fityk was developed to analyse powder diffraction data. It is also used in other fields that require peak analysis and peak-fitting, like chromatography or various kinds of spectroscopy.

Fityk is free and open source, distributed under the terms of GNU General Public License, with binaries/installers available free of charge on the project's website. It runs on Linux, macOS, Microsoft Windows, FreeBSD and other platforms. It operates either as a command line program or with a graphical user interface.

It is written in C++, using wxWidgets, and providing bindings for Python and other scripting languages.

Features

three weighted least squares methods:
- Levenberg-Marquardt algorithm,
- Nelder-Mead method
- Genetic algorithm
about 20 built-in functions and support for user-defined functions
equality constraints
data manipulations,
handling series of datasets,
automation of common tasks with scripts.

Alternatives

The programs LabPlot, MagicPlot and peak-o-mat have similar scope.

More generic data analysis programs with spread-sheet capabilities include the proprietary Origin and its clones QtiPlot (paid, closed source) and SciDAVis (non-paid, open source).

References

(1 October 2010). "Fityk: a general-purpose peak fitting program". Journal of Applied Crystallography.
(26 August 2004). "FITYK – peak-fitting software with support for powder patterns analysis". Acta Crystallographica Section A.

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

2004-software data-analysis-software free-plotting-software free-science-software free-software-programmed-in-c++ free-software-projects regression-and-curve-fitting-software software-that-uses-wxwidgets software-using-the-gnu-general-public-license

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