With no appreciable delay... z=: i. 1e8 $z 100000000
z=: i. 1e9 |limit error | z=: i.1000000000 Since 1e9 would be 4GB of memory for 4-byte integers, I can't tell whether that's J32 hitting its ceiling, or the iMac. Ian On Tue, Jan 19, 2010 at 3:59 PM, DIETER ENSSLEN <[email protected]> wrote: > thanks Don and Ian > > i.1e6, i.1e7 , i.1e8 in any program line will depending on the > machine used yield 'oom' (out of memory) errors > > there are a great many slowly converging series in mathematics, that benefit > from the amazing speed of J and its good accuracy. > > I need to learn how to do 'for n=1 to m .. next n' (or for n=0 > to m.....next n) loops that are child's play in BASIC or Assembly, etc > languages. > > But I am 'academically' interested what brute force would do with big modern > gaming machines with lots and lots of amazing RAM. > > > > > > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
