Some years ago I started writing a z-transform routine for Maxima, based on the following work for REDUCE:
http://www.zib.de/Symbolik/reduce/moredocs/ztrans.pdf I'd be happy to rewrite it for Sage, except that I don't know how to implement rule-based programs. Can anybody provide me with a pointer? Thanks, Alasdair -- 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
