Le 12/06/2010 12:05, Javier Montoya a écrit : > I need to generate a vector of random float numbers between [0,1] such > that their sum equals 1 and that are distributed non-uniformly. > Is there any python function that generates such a vector?
Let f any function (injective is better). Let a1,...,an n numbers uniformly distributed. Let s the sum of f(a1),...,f(an). f(a1)/s, ... , f(an)/s is what you want. You have to choose f to obtain the distribution you prefer. -- Etienne -- http://mail.python.org/mailman/listinfo/python-list
