Update two_layer_net.py

da1, dz1の入れ替わりを修正
oreilly-japan · Nov 19, 2016 · 64bd16e · 64bd16e
1 parent 148983d
commit 64bd16e
Showing 1 changed file with 5 additions and 5 deletions.
diff --git 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
+        return grads