How to concatenate two tensors horizontally in TensorFlow?

You can use tf.concat for this purpose as follows:

sess=tf.Session()
t1 = [[1, 2], [4, 5]]
t2 = [[7, 8, 9], [10, 11, 12]]
res=tf.concat(concat_dim=1,values=[t1, t2])
print(res.eval(session=sess))

This prints

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

I tried the above code, I got some error. The following code runs fine with tf 1.15 version:

x = tf.constant( [[1, 2,4],[7,8,12]])

y = tf.constant([[88],[99]])

res=tf.concat([x, y],1)

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