Fix mplot3d.proj3d.rot_x's handling of w.

QuLogic · QuLogic · commit de67c8cb6daf · 2016-10-20T20:30:56.000-04:00
I'm pretty sure a rotation should not re-scale w.
diff --git a/lib/mpl_toolkits/mplot3d/proj3d.py b/lib/mpl_toolkits/mplot3d/proj3d.py
@@ -195,6 +195,6 @@ def rot_x(V, alpha):
     M1 = np.array([[1,0,0,0],
                    [0,cosa,-sina,0],
                    [0,sina,cosa,0],
-                   [0,0,0,0]])
+                   [0,0,0,1]])
 
     return np.dot(M1, V)
