Kernels#
The frouros.utils.kernels
module contains auxiliary kernel functions.
Kernels module.
- frouros.utils.kernels.rbf_kernel(X: ndarray, Y: ndarray, sigma: float = 1.0) ndarray #
Radial basis function kernel between X and Y matrices.
- Parameters:
X (numpy.ndarray) – X matrix
Y (numpy.ndarray) – Y matrix
sigma (float) – sigma value (equivalent to gamma = 1 / (2 * sigma**2))
- Returns:
Radial basis kernel matrix
- Return type:
numpy.ndarray