I had a fun moment with J earlier tonight. I was contemplating how to sort a matrix by it's columns and rows while doing the dishes. I sat down and tried it and it was remarkably easy
/:~ /:~"1 (10 10 $ ?. 100#50) http://pasteboard.co/2vm2rWOu.png or a bigger matrix: viewmat /:~ /:~"1 (500 500 $ ?. 10000#500) http://pasteboard.co/2vm7CkN2.png I figure it's old hat, but still wanted to share that I got a kick out of it ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
