Dates, getting nan_to_num order right

Author: mnielsen

README.md

@@ -11,7 +11,7 @@ free to fork and modify the code.
 
 MIT License
 
-Copyright (c) 2012-2013 Michael Nielsen
+Copyright (c) 2012-2015 Michael Nielsen
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the

src/network2.py

@@ -51,7 +51,7 @@ def fn(a, y):
         to the correct value (0.0).
 
         """
-        return np.nan_to_num(np.sum(-y*np.log(a)-(1-y)*np.log(1-a)))
+        return np.sum(np.nan_to_num(-y*np.log(a)-(1-y)*np.log(1-a)))
 
     @staticmethod
     def delta(z, a, y):