As an electrical engineer by training and currently working on statistics, I too find the lack of support for generalized distributions in the general-purpose math packages ... disturbing.
Their definitions essentially reach out from the integrand and modify the limits of integration, it is not something that can be addressed by generalizing the notion of function, it has to be added to the notion of integration. -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org