I've now got my p159 verb to work again. I'd written it back in J4 or J5 days, and some chars had got mashed! Anyway, although it doesn't break the sound barrier, it does limp home with the correct answer in under a minute for the given problem size, running in J806 under Windows 10.
Mike Please reply to mike_liz....@tiscali.co.uk. Sent from my iPad ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
