A^9, actually: +/ . *^:9~ A 4783807 6972050 10458075 15241882
You can save some matrix multiplies if you analyze the power. Henry Rich > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of June Kim > Sent: Monday, August 07, 2006 10:01 PM > To: Programming forum > Subject: [Jprogramming] conventional way of matrix power? > > A=: >1 2;3 4 > (+/ . *)/ 10 2$A NB. A^10 > 4783807 6972050 > 10458075 15241882 > > Is this conventional in J? (I guess not) > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
