On Sat, Sep 8, 2012 at 3:39 PM, pascha <amirpasha...@gmail.com> wrote: > What I have been asking during past days was about making and solving linear > equation (y = ax) from a data text file. With your help I achieved to make > one equation from the data but there are 49 other equation left which I am > gonna make it somehow automatic. What I read from the data is a matrix (say, > 200 x 50) in which the first column is the observation vector (y) and others > are columns corresponding to design matrix (a), which I struggled to make > that finally. So I am gonna make that automatic for other equations > (columns), but I don't have any clue how to do that with loop and without > loop. > Could you give some kinda strategy and shed lights on that?
What does the text look like? -- Raul ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm