scope_rl.utils.cosine_kernel

scope_rl.utils.cosine_kernel(x, y, bandwidth=1.0)

Cosine kernel.

x: array-like of shape (n_samples, n_dim)

Input array 1.

y: array-like of shape (n_samples, n_dim)

Input array 2.

bandwidth: float, default=1.0

Bandwidth hyperparameter of the Trianglar kernel.

Returns:

kernel_density – kernel density of x given y.

Return type:

ndarray of (n_samples, )