placeholder 筆記

# -*- coding: utf-8 -*-
"""
Created on Tue Jul  9 19:12:54 2019

@author: txx
"""

import tensorflow as tf

input1=tf.placeholder(tf.float32)  # 也可以用第二個參數，指定輸入數據的格式
input2=tf.placeholder(tf.float32)

output=tf.multiply(input1,input2)

with tf.Session() as sess:
	print(sess.run(output,feed_dict={input1: [7.],input2: [2.]}))  # 字典的方式輸入