A survey on numerical evaluation of Levy stable distributions and a new MATLAB toolbox. Lévy stable distributions have been playing an increasing role in many diverse scientific and engineering fields. However, it is well known that its analytical expression is largely not available, and thus numerical solution becomes essential in the use of Lévy statistics. This article makes a survey on various numerical approaches available today to calculate statistical quantities of Lévy stable distributions. And then based on this investigation, we introduce a new MATLAB toolbox, called LSD, to evaluate statistical quantities of Lévy stable distributions, such as density and distribution functions, random numbers, parameters estimate, and goodness of data fitting. The LSD, first developed using GUI of MATLAB, is very easy to use with a friendly graphical user interface and can provide extremely precise calculations of high significant figures. As a powerful toolbox for signal processing, the LSD is also an open source software package and meets the high demand of easy, accurate and precise evaluation of various quantities of Lévy stable distributions.
Keywords for this software
References in zbMATH (referenced in 9 articles )
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