Ed, What makes you say sparse is mostly zeros? Only 1 in a thousand numbers would be 0, if I understand ? .
On Thu, Jul 12, 2012 at 11:10 PM, Ed Gottsman <edward.j.gotts...@gmail.com> wrote: > But what do I do if the dense array I'm trying to "sparse" is too big to > exist as a dense array? For example: > > sparse =. $. = ? 100000000 # 1000 NB. Gives me an out of memory error. > -- (B=) ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm