JC Coez wrote: > How could I "generalize" to matrices of rank n ( >2 ) the > diagonal =i.9 that is mat(i,j,k,...) is 1 if and only if > 2 indices at least are equal ?
For example: disp=: <"2^:(2<[EMAIL PROTECTED]) d2=: ] ([EMAIL PROTECTED] > [ [EMAIL PROTECTED]@#: ])"1 0 i. disp d2 4#4 ? -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
