update

bob7783 · bob7783 · commit d77cfabeef58 · 2019-06-24T01:21:21.000-04:00
diff --git a/ann_class/extra_reading.txt b/ann_class/extra_reading.txt
@@ -5,4 +5,7 @@ Yes you should understand backprop by Andrej Karpathy
 https://medium.com/@karpathy/yes-you-should-understand-backprop-e2f06eab496b
 
 The Matrix Cookbook
-https://www.math.uwaterloo.ca/~hwolkowi/matrixcookbook.pdf
+https://www.math.uwaterloo.ca/~hwolkowi/matrixcookbook.pdf
+
+Rumelhart, D. E., Hinton, G. E., and Williams, R. J. (1986) Learning representations by back-propagating errors.
+https://www.iro.umontreal.ca/~vincentp/ift3395/lectures/backprop_old.pdf
