Categories &

Functions List

Function Reference: qrandn

statistics: z = qrandn (q, r, c)
statistics: z = qrandn (q, [r, c])

Returns random deviates drawn from a q-Gaussian distribution.

Parameter q characterizes the q-Gaussian distribution. The result has the size indicated by s.

Reference: W. Thistleton, J. A. Marsh, K. Nelson, C. Tsallis (2006) "Generalized Box-Muller method for generating q-Gaussian random deviates" arXiv:cond-mat/0605570 http://arxiv.org/abs/cond-mat/0605570

See also: rand, randn

Source Code: qrandn

 z = qrandn (-5, 5e6);
 [c x] = hist (z,linspace (-1.5,1.5,200),1);
 figure (1)
 plot (x,c,'r.'); axis tight; axis ([-1.5,1.5]);
 z = qrandn (-0.14286, 5e6);
 [c x] = hist (z,linspace (-2,2,200),1);
plotted figure

 figure (2)
 plot (x,c,'r.'); axis tight; axis ([-2,2]);
 z = qrandn (2.75, 5e6);
 [c x] = hist (z,linspace (-1e3,1e3,1e3),1);
plotted figure

 figure (3)
 semilogy (x,c,'r.'); axis tight; axis ([-100,100]);
plotted figure

--------- Figures from the reference paper.