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Fityk : a general-purpose peak fitting program

Journal of Applied Crystallography · 2010 · Vol. 43(5) · pp. 1126–1128

Marcin Wojdyr✉(Institute of High Pressure Physics)

Abstract

Fityk is portable, open-source software for nonlinear curve fitting and data analysis. It specializes in fitting a sum of bell-shaped functions to experimental data. In particular, it enables Pawley refinement of powder diffraction data and size–strain analysis.

X-ray Diffraction in Crystallography High-pressure geophysics and materials Advanced materials and compositesCurve fittingDiffractionSoftwareExperimental dataNonlinear systemComputer scienceStrain (injury)Computational physicsAlgorithmOptics

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