سلام.چطور یک placeholder را در پایتون مقدار دهی کنم؟
import tensorflow as tf
num_input = 2
num_hidden = 3
num_output = 2
x = tf.placeholder("float", [num_input, 1])
W_hidden = tf.Variable(tf.zeros([num_hidden, num_input]))
W_out = tf.Variable(tf.zeros([num_output, num_hidden]))
b_hidden = tf.Variable(tf.zeros([num_hidden]))
b_out = tf.Variable(tf.zeros([num_output]))
h = tf.nn.softmax(tf.matmul(W_hidden,x) + b_hidden)
sess = tf.Session()
with sess.as_default():
print h.eval()