Hi experts!
For obtain the pdf of a multivariate function of random variables i must resolve explicitly a multivariate integral and then derivate it:
http://math.stackexchange.com/questions/624958/how-to-obtain-a-pdf-of-a-random-variable-defined-as-a-function-of-many-variables/
How can I resolve my problem in SAGE?
Waiting for yor answers.
Thanks a lot!!
