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tensorflow基本教程4:placeholder

import tensorflow as tf
input1=tf.placeholder(tf.float32)

input2=tf.placeholder(tf.float32)

output=tf.multiply(input1,input2)#tensorflow中1.1版本mul用的是全名

with tf.Session()as sess:
    print(sess.run(output,feed_dict={input1:[7.],input2:[2.]}))