> I very often want to start with the zero_matrix or the identity_matrix and > "fill in" the rest of the matrix. But I also want the access routines to be > fast! So I vote for copy-on-write semantics, if possible.
+1 -- 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