ConvexSet_base.codimension: Add doctest for alias 'codim'

sagemath · Jun 12, 2021 · 142fb46 · 142fb46
1 parent f4bdffd
commit 142fb46
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/src/sage/geometry/convex_set.py b/src/sage/geometry/convex_set.py
@@ -99,11 +99,15 @@ def codimension(self):
         r"""
         Return the codimension of ``self``.
 
-        An alias is :meth:`codim`.
-
         EXAMPLES::
 
-            sage: Polyhedron(vertices=[(1,2,3)], rays=[(1,0,0)]).codimension()
+            sage: P = Polyhedron(vertices=[(1,2,3)], rays=[(1,0,0)])
+            sage: P.codimension()
+            2
+
+        An alias is :meth:`codim`::
+
+            sage: P.codim()
             2
         """
         return self.ambient_dim() - self.dim()