1 files changed, 1 insertions, 0 deletions
diff --git a/lib/matrix.rb b/lib/matrix.rb
index 7639b1de6d..1742847d3b 100644
--- a/lib/matrix.rb
+++ b/lib/matrix.rb
@@ -812,6 +812,7 @@ class Matrix
     end
     true
   end
+  alias_method :skew_symmetric?, :antisymmetric?
 
   #
   # Returns +true+ if this is a unitary matrix