On Tue, 22 Apr 2008, lorenzo bolla apparently wrote: > M=fromfunction(lambda i,j:f(i,j,5),(1000,1000)) > P=fromfunction(lambda i,j:f(i,j,7),(1000,1000)) Maybe partial function application is nicer: <URL:http://docs.python.org/whatsnew/pep-309.html> fwiw, Alan Isaac