tensorflow随笔-条件循环控制(12)

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#!/usr/bin/env python2
# -*- coding: utf-8 -*-
"""
求1+...+5,计算累加
@author: [email protected]
"""
import tensorflow as tf

i = tf.constant(0)
num_sum=tf.Variable(0)

def cond(i,num_sum):
    return tf.less(i,6)

def body(i,num_sum):
    num_sum=tf.add(num_sum,i)
    i=tf.add(i,1)
    return (i,num_sum)


i,num_sum= tf.while_loop(cond, body, [i,num_sum])
with tf.Session() as sess:
    tf.global_variables_initializer().run()
    res = sess.run([i,num_sum])
    print res
    print res[1]
    print 1+2+3+4+5

利用while_loop计算累加结果

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转载自blog.csdn.net/u010255642/article/details/82526828
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