版权声明:本文为博主原创文章,未经博主允许不得转载。 https://blog.csdn.net/u010255642/article/details/82526828
#!/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