colour.kernel_lanczos¶
-
colour.
kernel_lanczos
(x, a=3)[source]¶ Returns the lanczos kernel evaluated at given samples.
Parameters: - x (array_like) – Samples at which to evaluate the lanczos kernel.
- a (int, optional) – Size of the lanczos kernel.
Returns: The lanczos kernel evaluated at given samples.
Return type: ndarray
References
Examples
>>> kernel_lanczos(np.linspace(0, 1, 10)) array([ 1.0000000...e+00, 9.7760615...e-01, 9.1243770...e-01, 8.1030092...e-01, 6.8012706...e-01, 5.3295773...e-01, 3.8071690...e-01, 2.3492839...e-01, 1.0554054...e-01, 3.2237621...e-17])