I thought J was math. At least closer to math than anything else on computers. To me J is a tool. But it's not the only tool in my tool box.
But your expression is like what I tried at first. Only I used D. instead of d. and got a nonce error. -~/ (^&_1.001 d. _1) 1 _ 1000 (^&_1.001 d. _1) +------------+-+------------+ |+-+-+------+|@|+-+-+------+| ||%|&|_0.001|| ||^|&|_0.001|| |+-+-+------+| |+-+-+------+| +------------+-+------------+ (^&_1.001 D. _1) |nonce error | ( ^&_1.001 D._1) According to the dictionary: "u d. n is like u D. n except that u is treated as a rank-0 function." So why the nonce error? On Fri, Jan 8, 2010 at 2:30 AM, Oleg Kobchenko <[email protected]> wrote: > Using Math like that here is cheating, as the point is > using J--for finding things, like derivatives etc. > It's OK to interpret results with Math, but not to > use math to get results. > > So here is pure J, analytical and complete solution. > > -~/ (^&_1.001 d. _1) 1 _ > 1000 > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
