Ignore self interactions.

Author: drvinceknight

docs/tutorials/getting_started/tournament_results.rst

@@ -111,22 +111,10 @@ This gives for each player, against each opponent every payoff received for
 each repetition::
 
     >>> pprint.pprint(results.payoffs)
-    [[[3.0, 3.0, 3.0, 3.0, 3.0, 3.0],
-      [0.0, 0.0, 0.0],
-      [3.0, 3.0, 3.0],
-      [3.0, 3.0, 3.0]],
-     [[5.0, 5.0, 5.0],
-      [1.0, 1.0, 1.0, 1.0, 1.0, 1.0],
-      [1.4, 1.4, 1.4],
-      [1.4, 1.4, 1.4]],
-     [[3.0, 3.0, 3.0],
-      [0.9, 0.9, 0.9],
-      [3.0, 3.0, 3.0, 3.0, 3.0, 3.0],
-      [3.0, 3.0, 3.0]],
-     [[3.0, 3.0, 3.0],
-      [0.9, 0.9, 0.9],
-      [3.0, 3.0, 3.0],
-      [3.0, 3.0, 3.0, 3.0, 3.0, 3.0]]]
+    [[[3.0, 3.0, 3.0], [0.0, 0.0, 0.0], [3.0, 3.0, 3.0], [3.0, 3.0, 3.0]],
+     [[5.0, 5.0, 5.0], [1.0, 1.0, 1.0], [1.4, 1.4, 1.4], [1.4, 1.4, 1.4]],
+     [[3.0, 3.0, 3.0], [0.9, 0.9, 0.9], [3.0, 3.0, 3.0], [3.0, 3.0, 3.0]],
+     [[3.0, 3.0, 3.0], [0.9, 0.9, 0.9], [3.0, 3.0, 3.0], [3.0, 3.0, 3.0]]]
 
 
 Payoff matrix