tf.keras.backend.repeat_elements

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

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Compat aliases for migration

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tf.compat.v1.keras.backend.repeat_elements

tf.keras.backend.repeat_elements(
    x, rep, axis
)

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

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

Returns
A tensor.

Example:

  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)>