numpy.repeat(a, repeats, axis=None)[source]
Repeat elements of an array.
Parameters: |
a : array_like Input array. repeats : int or array of ints The number of repetitions for each element. axis : int, optional The axis along which to repeat values. By default, use the flattened input array, and return a flat output array. |
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Returns: |
repeated_array : ndarray Output array which has the same shape as |
See also
tile
>>> x = np.array([[1,2],[3,4]]) >>> np.repeat(x, 2) array([1, 1, 2, 2, 3, 3, 4, 4]) >>> np.repeat(x, 3, axis=1) array([[1, 1, 1, 2, 2, 2], [3, 3, 3, 4, 4, 4]]) >>> np.repeat(x, [1, 2], axis=0) array([[1, 2], [3, 4], [3, 4]])
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https://docs.scipy.org/doc/numpy-1.11.0/reference/generated/numpy.repeat.html