diff options
Diffstat (limited to 'lib/matrix.rb')
| -rw-r--r-- | lib/matrix.rb | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/matrix.rb b/lib/matrix.rb index 1ed4e16c4d..c646fe1744 100644 --- a/lib/matrix.rb +++ b/lib/matrix.rb @@ -751,14 +751,14 @@ class Matrix rank = 0 a_column_size.times do |k| if (akk = a[k][k]) == 0 - i = (k+1 ... a_column_size).find {|i| + i = (k+1 ... a_row_size).find {|i| a[i][k] != 0 } if i a[i], a[k] = a[k], a[i] akk = a[k][k] else - i = (k+1 ... a_row_size).find {|i| + i = (k+1 ... a_column_size).find {|i| a[k][i] != 0 } next if i.nil? |