Use the Col type synonym in the column Normed instance.

diff --git a/src/Linear/Matrix.hs b/src/Linear/Matrix.hs
index 90a97b2c0b3387fd1ae896ab5b5c607f860058dc..cefad606de25e0d59974386f0cf46f4adaa5dedf 100644 (file)
--- a/src/Linear/Matrix.hs
+++ b/src/Linear/Matrix.hs
@@ -583,8 +583,8 @@ instance (Absolute.C a,
           Algebraic.C a,
           ToRational.C a,
           Arity m)
-         => Normed (Mat (S m) N1 a) where
-  -- | Generic p-norms for vectors in R^n that are represented as nx1
+         => Normed (Col (S m) a) where
+  -- | Generic p-norms for vectors in R^n that are represented as n-by-1
   --   matrices.
   --
   --   Examples: