kernels.py 文件源码

def __init__(self, A, scalar_kernel=rbf_kernel, scalar_kernel_params=None):
        """Initialize the Decomposable Operator-Valued Kernel.

        Parameters
        ----------

        A : {array, LinearOperator}, shape = [n_targets, n_targets]
            Linear operator acting on the outputs

        scalar_kernel : {callable}
            Callable which associate to the training points X the Gram matrix.

        scalar_kernel_params : {mapping of string to any}, optional
            Additional parameters (keyword arguments) for kernel function
            passed as callable object.
        """
        self.A = A
        self.scalar_kernel = scalar_kernel
        self.scalar_kernel_params = scalar_kernel_params
        self.p = A.shape[0]