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| Keywords: QGaussian2.png en Probability densities of multiple members of the q-gaussian family 2011-06-27 own Purple Post-its cc-zero Uploaded with UploadWizard Probability distributions <source lang 'matlab'> function plotqgaussian x -4 1 01 4 1; figure; hold on; plot x qgaussian x 0 1 '-r' 'LineWidth' 2 plot x qgaussian x 1 1 '-k' 'LineWidth' 2 plot x qgaussian x 2 1 '-b' 'LineWidth' 2 plot x qgaussian x 2 3 '-g' 'LineWidth' 2 function y qgaussian x q beta if q 1; Cq sqrt pi ; elseif q < 1 Cq 2 sqrt pi / 3-q sqrt 1-q exp gammaln 1/ 1-q - gammaln 3-q / 2 1-q ; else Cq sqrt pi /sqrt q-1 exp gammaln 3-q / 2 q-1 - gammaln 1/ q-1 ; end y sqrt beta /Cq qexp -beta x 2 q ; function y qexp x q if q 1 y exp x ; else y 1+ 1-q x 1/ 1-q ; end y 1+ 1-q x < 0 0; </source> | ||||
