Brunetti, Antonio (2013) A Fast fine-grained genetic algorithm for spectrum fitting: an application to X-ray spectra. Computer Physics Communications, Vol. 184 (3), p. 573-578. eISSN 1879-2944. Article.
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Often the result of the interaction of radiation with matter is represented by a spectrum. Regardless of the type of radiation used, a spectrum consists of peaks superimposed on a background. The important information is contained in the peak, so the derivation of the peaks parameters is fundamental. However, in most cases the fitting of the spectrum is an ill-posed problem, because of the presence of superimposed peaks. In this case the algorithms reported in the literature sometimes fail. For these reasons a genetic algorithm approach has been developed and is described here. Its novelty for this kind of application is represented by the use of a fine-grained strategy that makes it considerably faster than other implementations of this class of algorithms. Some results of its application to X-ray spectra are presented and discussed.
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