From: Jakub Hegenbart Date: 2006-12-21T22:05:05+09:00 Subject: Re: Matrix class for ruby? -example >> require 'matrix' #or require >rubylibrarypath/matrix.rb >> p Matrix[ [25, 93, 33], [0, -1, 66] ] * Matrix[ [1, 53, 33], [1, -21, 77] > > ExceptionForMatrix::ErrDimensionMismatch: Matrix dimension mismatch > from /usr/lib/ruby/1.8/matrix.rb:466:in `*' from (irb):4 > > ?? How exactly would you multiply such two matrices? Jakub