update tf LSTM cell comments

aymericdamien · aymericdamien · commit c17a5a16575d · 2016-01-04T16:08:06.000+08:00
diff --git a/examples/3 - Neural Networks/recurrent_network.py b/examples/3 - Neural Networks/recurrent_network.py
@@ -34,7 +34,8 @@
 
 # tf Graph input
 x = tf.placeholder("float", [None, n_steps, n_input])
-istate = tf.placeholder("float", [None, 2*n_hidden]) #state & cell => 2x n_hidden
+# Tensorflow LSTM cell requires 2x n_hidden length (state & cell)
+istate = tf.placeholder("float", [None, 2*n_hidden])
 y = tf.placeholder("float", [None, n_classes])
 
 # Define weights
