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PR: ports/101597 Submitted by: KATO Tsuguru <tkato432(at)yahoo.com> Approved by: krion (mentor)
19 lines
953 B
Plaintext
19 lines
953 B
Plaintext
Fityk is a program for nonlinear fitting of analytical functions (especially
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peak-shaped) to data (usually experimental data). There are also people using
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it only to display data or to remove baseline from data.
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It is reported to be used in crystallography, chromatography,
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photoluminescence, infrared and Raman spectroscopy and other fields.
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Fityk knows about common peak-shaped functions (Gaussian, Lorentzian, Voigt,
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Pearson VII, bifurcated Gaussian, EMG, Doniach-Sunjic, etc.) and polynomials.
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It also supports user-defined functions.
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Fityk offers intuitive graphical interface (and also command line interface),
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variouse optimization methods (standard Marquardt least-square algorithm,
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Genetic Algorithms, Nelder-Mead simplex), equality constraints, modelling
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error of x coordinate of points (eg. zero-shift of instrument), handling
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series of datasets, automation of common tasks with scripts, and more.
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WWW: http://www.unipress.waw.pl/fityk/
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