tf.nn.embedding_lookup(tensor, id):
函数作用:
选取一个张量里面索引对应的元素;
函数参数:
tensor:输入的张量;
id:选取张量对应的索引。
a=[[1,2,3],[4,5,6],[7,8,9]]
a = np.asarray(a)
id = [[0, 2, 1], [1, 1, 2]]
out = tf.nn.embedding_lookup(a, id)
with tf.Session() as sess:
print (sess.run(out))
out:
[[[1 2 3]
[7 8 9]
[4 5 6]]
[[4 5 6]
[4 5 6]
[7 8 9]]]