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 c7ae64923f..358ac04416 100644 --- a/lib/matrix.rb +++ b/lib/matrix.rb @@ -681,8 +681,8 @@ class Matrix i = (k+1 ... size).find {|ii| a[ii][k] != 0 } - return 0 if ii.nil? - a[ii], a[k] = a[k], a[ii] + return 0 if i.nil? + a[i], a[k] = a[k], a[i] akk = a[k][k] det *= -1 end |