[pstricks] inverse standard normal

Herbert Voss Herbert.Voss at FU-Berlin.DE
Fri Sep 24 18:35:39 CEST 2010

Am 23.09.2010 11:59, schrieb Matthias Ruess:

> I need to draw the density function of the Vasicek distribution: This 
> density function has the following structure:
> a * Exp[ (b * norminv(x) + c)^2 + d * norminv(x)^2  ] where a,b,c and d 
> are constants.

please give some senseful values for the constants a,b,c,and d


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