Software Listing of Author : "Marcin Wojdyr"

  • Fityk
  • License: Freeware
  • Price: 0.00

Fityk is a program for nonlinear fitting of analytical functions (especially peak-shaped) to data (usually experimental data). There are also people using it to remove the baseline from data, or to display data only. Fityk is reportedly used in crystallography, chromatography, photoluminescence and photoelectron spectroscopy, infrared and Raman spectroscopy, to name but a few. Fityk knows about common peak-shaped functions (Gaussian, Lorentzian, Voigt, Pearson VII, bifurcated Gaussian, EMG, Doniach-Sunjic, etc.) and polynomials. Fityk also supports user-defined functions. Fityk offers intuitive graphical interface (and also command line interface), variouse optimization methods (standard Marquardt least-square algorithm, Genetic Algorithms, Nelder-Mead simplex), equality constraints, automation of common tasks with scripts

  • Platform: WinOther

Fityk [fi:tik] is a program for data processing and nonlinear curve fitting.

It is primarily used

* by scientists who analyse data from powder diffraction, chromatography, photoluminescence and photoelectron spectroscopy, infrared and Raman spectroscopy, and other experimental techniques,

* to fit peaks bell-shaped functions (Gaussian, Lorentzian, Voigt, Pearson VII, bifurcated Gaussian, EMG, Doniach-Sunjic, etc.),

but any functions can be fitted to any 2D (x,y) data.

More dlT*
Features

* intuitive graphical interface (and also command line interface),
* support for many data file formats, thanks to the xylib library,
* dozens of built-in functions and support for user-defined functions,
* equality constraints,
* modelling error of the x...

  • Platform: WinOther
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