the comment is:[[3,1,2], [2,3,1]] -> [[[0, 3], [1, 1], [2, 2]], [[0, 2], [1, 3], [2, 1]]]
but when I test it, it output this:[[[0 3],[0 1],[0 2]],[[1 2],[1 3],[1 1]]]
this is test code:
with tf.Session():
,,,,,,,print index_matrix_to_pairs(tf.constant([[3,1,2], [2,3,1]])).eval()