From: Joel VanderWerf <vjoel@...>
Date: 2001-12-16T19:10:53+09:00
Subject: [ruby-talk:28666] Matrix#inverse broken?

require 'matrix'
m = Matrix[[1,2],[2,1]]
m * (m.inv)
  # ==> Matrix[[-1, -1], [-2, 1]]

--
Joel VanderWerf                          California PATH, UC Berkeley
mailto:vjoel@path.berkeley.edu                     Ph. (510) 231-9446
http://www.path.berkeley.edu                       FAX (510) 231-9512