I notice that there is no inverse to I. that is defined. Is this an appropriate one?
([: +./ ( 1 ,~ I.)"0) 7 9 0 0 0 0 0 0 0 1 0 1 I. ([: +./ ( 1 ,~ I.)"0) 0 7 9 0 7 9 ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
