Tensorflow demo3

参考极客学院基础教程

#coding:utf-8

import tensorflow as tf

# create two matrixes
matrix1 = tf.constant([[3,3],
                       [2,2]])   #一行两列的数据
matrix2 = tf.constant([[2,2],
                       [2,3]])   # 一列两行的数据

#matmul相乘
product = tf.matmul(matrix1,matrix2)


# method 1
sess = tf.Session()       #打开记得要关闭
result = sess.run(product)#运行
print result
sess.close()
# [[12]] ==3*2+3*2  15 == 3*2+3*3 

# method 2
with tf.Session() as sess:     #默认打开后关闭
    result2 = sess.run(product)
    print result2 
# [[12]]

[[12 15]
 [ 8 10]]
[[12 15]
 [ 8 10]]