cone/doubly_nonnegative.py: make two docstrings raw.

diff --git a/mjo/cone/doubly_nonnegative.py b/mjo/cone/doubly_nonnegative.py
index 43a2f61c5e3fa858098175e8c9e37c08acc11e45..9dcae61856e6e9d5bda7f689cadf905de27290ac 100644 (file)
--- a/mjo/cone/doubly_nonnegative.py
+++ b/mjo/cone/doubly_nonnegative.py
@@ -1,4 +1,4 @@
-"""
+r"""
 The doubly-nonnegative cone in `S^{n}` is the set of all such matrices
 that both,
 
@@ -68,7 +68,7 @@ def is_doubly_nonnegative(A):
 
 
 def is_admissible_extreme_rank(r, n):
-    """
+    r"""
     The extreme matrices of the doubly-nonnegative cone have some
     restrictions on their ranks. This function checks to see whether the
     rank ``r`` would be an admissible rank for an ``n``-by-``n`` matrix.