From: ts Date: 2002-08-01T01:29:34+09:00 Subject: Re: matrix challange >>>>> "D" == Daniel Bretoi writes: D> I'd like to see the various solutions for coming up with code to D> transpose a matrix. ie. make pigeon% ruby -rmatrix -e 'a = Matrix[[1,2],[1,3],[2,4]]; p a.transpose' Matrix[[1, 1, 2], [2, 3, 4]] pigeon% Guy Decoux