From 64bd16ecdca99ecd88bc90e722615603bc65b17c Mon Sep 17 00:00:00 2001
From: mizti <mizugokoro.redirect+github@gmail.com>
Date: Sat, 19 Nov 2016 13:23:36 +0900
Subject: [PATCH] Update two_layer_net.py
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da1, dz1の入れ替わりを修正
---
 ch04/two_layer_net.py | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/ch04/two_layer_net.py b/ch04/two_layer_net.py
index 90ee8a70..556843b2 100644
--- a/ch04/two_layer_net.py
+++ b/ch04/two_layer_net.py
@@ -70,9 +70,9 @@ def gradient(self, x, t):
         grads['W2'] = np.dot(z1.T, dy)
         grads['b2'] = np.sum(dy, axis=0)
         
-        da1 = np.dot(dy, W2.T)
-        dz1 = sigmoid_grad(a1) * da1
-        grads['W1'] = np.dot(x.T, dz1)
-        grads['b1'] = np.sum(dz1, axis=0)
+        dz1 = np.dot(dy, W2.T)
+        da1 = sigmoid_grad(a1) * dz1
+        grads['W1'] = np.dot(x.T, da1)
+        grads['b1'] = np.sum(da1, axis=0)
 
-        return grads
\ No newline at end of file
+        return grads