Bug #1531: Matrix#determinant fails on some matrices

• Status: Closed
• Assignee: keiju (Keiju Ishitsuka)
• Target version: 1.9.2
• ruby -v: ruby 1.9.2dev (2009-05-24 trunk 23554) [i386-darwin9.7.0]

[marcandre (Marc-Andre Lafortune)]

=begin
ruby1.9 -r matrix -e 'Matrix[[0,1],[1,0]].determinant'
/usr/local/ruby191/lib/ruby/1.9.1/matrix.rb:685:in block (2 levels) in determinant': undefined method +' for nil:NilClass (NoMethodError)
from /usr/local/ruby191/lib/ruby/1.9.1/matrix.rb:684:in loop' from /usr/local/ruby191/lib/ruby/1.9.1/matrix.rb:684:in block in determinant'
from /usr/local/ruby191/lib/ruby/1.9.1/matrix.rb:681:in loop' from /usr/local/ruby191/lib/ruby/1.9.1/matrix.rb:681:in determinant'
from -e:1:in `'

Same with determinant_e.

To fix: gsub('ii','i') in matrix.rb
=end

[yugui (Yuki Sonoda)]

• Assignee set to keiju (Keiju Ishitsuka)

=begin

=end

[marcandre (Marc-Andre Lafortune)]

• Status changed from Open to Closed
• % Done changed from 0 to 100

=begin
Applied in changeset r24949.
=end