Because M is singular? det M 0 det -/ .*
On 1/7/08, Philippe Nadeau <[EMAIL PROTECTED]> wrote: > > > Hi, > > I receive a length error while using %. and I don't know why. > > M=. |: 1 418 398 1639 3430 1184,.1 580 572 1197 3044 1309,.1 622 596 > 1347 3531 1155 > > y=. 579 496 510 > > y %. M > |length error > | y %. M > > Is it because the columns of the matrix are not linearly independent ? > If so, how can I check if they are in a non-square matrix ? > > Thanks a lot > > Philippe Nadeau > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm > -- Devon McCormick, CFA ^me^ at acm. org is my preferred e-mail ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
