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TensorFlow 1 version View source on GitHub

Repeats the elements of a tensor along an axis, like np.repeat.

If x has shape (s1, s2, s3) and axis is 1, the output will have shape (s1, s2 * rep, s3).

x Tensor or variable.
rep Python integer, number of times to repeat.
axis Axis along which to repeat.

A tensor.


  b = tf.constant([1, 2, 3])
  tf.keras.backend.repeat_elements(b, rep=2, axis=0)
    <tf.Tensor: id=70, shape=(6,), dtype=int32,
        numpy=array([1, 1, 2, 2, 3, 3], dtype=int32)>