numpy.repeat¶
-
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. repeats is broadcasted to fit the shape of the given axis.
axis : int, optional
The axis along which to repeat values. By default, use the flattened input array, and return a flat output array.
Returns: repeated_array : ndarray
Output array which has the same shape as a, except along the given axis.
See also
tile
- Tile an array.
Examples
>>> np.repeat(3, 4) array([3, 3, 3, 3]) >>> 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]])