tf.concat( )的函数用法

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import tensorflow as tf
import numpy as np
t1 = [[1, 2, 3], [4, 5, 6]]  
t2 = [[7, 8, 9], [10, 11, 12]]  
t3=tf.concat( [t1, t2],-1)
t4=tf.concat( [t1, t2],1)
t5=tf.concat( [t1, t2],0)
with tf.Session() as sess:
    
    print(sess.run(t3))
    print(sess.run(t4))
    print(sess.run(t5))

输出：

[[ 1  2  3  7  8  9]
 [ 4  5  6 10 11 12]]
[[ 1  2  3  7  8  9]
 [ 4  5  6 10 11 12]]
[[ 1  2  3]
 [ 4  5  6]
 [ 7  8  9]
 [10 11 12]]