Tensorflow Practice 2-2
阿新 • • 發佈:2018-12-18
1 import tensorflow as tf 2 import os 3 os.environ['TF_CPP_MIN_LOG_LEVEL'] = '2' 4 5 x = tf.Variable([1, 2]) 6 a = tf.constant([3, 3]) 7 '''增加一個減法op''' 8 sub = tf.subtract(x, a) 9 '''增加一個加法op''' 10 add = tf.add(x, sub) 11 12 init = tf.global_variables_initializer() 13 14 with tf.Session() as sess:15 sess.run(init) 16 print(sess.run(sub)) 17 print(sess.run(add)) 18 19 '''建立一個變數初始化為0''' 20 state = tf.Variable(0, name='counter') 21 '''建立一個op,作用是使state加1''' 22 new_value = tf.add(state, 1) 23 '''賦值op''' 24 update = tf.assign(state, new_value) 25 init = tf.global_variables_initializer()26 with tf.Session() as sess: 27 sess.run(init) 28 print(sess.run(state)) 29 for _ in range(5): 30 print(sess.run(update))