> Van: [email protected] [mailto:programming- > [email protected]] Namens Raul Miller (...) > > Here is a model for a "general oblique": > > oblq=:1 :0 > assert. (=<.)rnk2=:-:#$y > s1=: rnk2 {. $y > s2=: rnk2 }. $y > inds=: i.<:s1+s2 > sel=: (s1{.inds) +/&, s2 {. inds > ($inds) $ (~.,sel) /:~ (,sel) u/.,y > ) > (...) > > [2] Should J be changed to support this "more > general" approach to convolution? If so, what > motivation do we need and what changes would > this imply? >
No. <oblq i.2 3 4 |assertion failure | (=<.)rnk2=:-:#$y obl=: 1 : '(+/"1)@(#: [:i. */)@$ u/. ,' <obl i.2 3 4 +-+------+-----------+--------------+-------------+--------+--+ |0|1 4 12|2 5 8 13 16|3 6 9 14 17 20|7 10 15 18 21|11 19 22|23| +-+------+-----------+--------------+-------------+--------+--+ R.E. Boss ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
