tensorflow之relu

tf.nn.relu()函数是将大于0的数保持不变，小于0的数置为0

a = tf.constant([-1.0, 2.0])
with tf.Session() as sess:
    b = tf.nn.relu(a)
    print (sess.run(b))

输出

再举个例子吧：

import tensorflow as tf
 
a = tf.constant([[-2,-4],[4,-2]])
with tf.Session() as sess:
 	print(sess.run(tf.nn.relu(a)))
 	

输出：

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