simplify eq

xuliu15 · Dec 4, 2019 · eeb9a0c · eeb9a0c
1 parent a5ac3a8
commit eeb9a0c
Showing 2 changed files with 183 additions and 80 deletions.
diff --git a/ch14/ch14_part1.ipynb b/ch14/ch14_part1.ipynb
diff --git a/ch14/ch14_part1.py b/ch14/ch14_part1.py
@@ -278,7 +278,9 @@ def compute_z(x):
 
 
 # verifying the computed gradient
-tf.print((-2)*x*( y-(w*x+b) )) 
+#tf.print(-2*x * (-b - w*x + y))
+
+tf.print(2*x * ((w*x + b) - y))
 
 
 # ### Computing gradients with respect to non-trainable tensors
@@ -300,7 +302,7 @@ def compute_z(x):
 
 
 # verifying the computed gradient
-tf.print((-2)*w*( y-(w*x+b) )) 
+tf.print(2*w * ((w*x + b) - y))
 
 
 # ### Keeping resources for multiple gradient computations