You can download the latest version of fityk from (or ). Fityk is free software you can redistribute and modify it under the terms of the GPL, version 2 or (at your option) any later version. the width of a peak can be an independent variable, the same as the width of another peak, or can be given by complex (and general for all peaks) formula. The main advantage of the program is flexibility - parameters of peaks can be arbitrarily bound to each other, e.g. Fityk offers various nonlinear fitting methods, simple background subtraction and other manipulations to the dataset, easy placement of peaks and changing of peak parameters, support for analysis of series of datasets, automation of common tasks with scripts, and much more. Although the author has a general understanding only of experimental methods other than powder diffraction, he would like to make it useful to as many people as possible. It is reportedly used in crystallography, chromatography, photoluminescence and photoelectron spectroscopy, infrared and Raman spectroscopy, to name but a few. There are also people using it to remove the baseline from data, or to display data only. The most concise description: peak fitting software. INTRODUCTION 1.1 What is the program for? Fityk is a program for nonlinear fitting of analytical functions (especially peak-shaped) to data (usually experimental data).
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Įxtensions 4.1 How to add your own built-in function. Reference 3.1 Data from experiment 3.2 Model. Introduction 1.1 What is the program for?.
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