Random numbers from a user defined distribution

RANDPDF returns the matrix of random numbers from probability density distribution defined in p and px. p are the density (the y axis) and px are the value (the x axis) of the pdf. p and px must be of the same length. dim define the output matrix dimensions, for example dim=[100 3] define the 100x3 two dimensional matrix with 300 random numbers.

REMEMBER: This is not a really random number generator but only some kind of transformation of uniformly distributed pseudorandom numbers to desired pdf!