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 broadcastedto fit the shape of the given axis. axis : int, optional The axis along which to repeat values. By default, use theflattened input array, and return a flat output array.
Returns:	repeated_array : ndarray Output array which has the same shape asa, except alongthe 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]])