Struct RbfLinearKernel 

pub struct RbfLinearKernel { /* private fields */ }

Product of RBF and Linear kernels.

K(x, y) = k_rbf(x, y) * k_linear(x, y)

Models functions with smoothly varying linear trends.

Implementations

impl RbfLinearKernel

pub fn new(length_scale: f64, variance: f64) -> Result<Self>

Create a new RBF × Linear kernel.

pub fn length_scale(&self) -> f64

Get the length scale.

pub fn variance(&self) -> f64

Get the variance.

Trait Implementations

impl Clone for RbfLinearKernel

fn clone(&self) -> RbfLinearKernel

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for RbfLinearKernel

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Kernel for RbfLinearKernel

fn compute(&self, x: &[f64], y: &[f64]) -> Result<f64>

Compute kernel value between two inputs.

fn name(&self) -> &str

Get kernel name for identification.

fn is_psd(&self) -> bool

Check if kernel is positive semi-definite.

fn compute_matrix(&self, inputs: &[Vec<f64>]) -> Result<Vec<Vec<f64>>>

Compute kernel matrix for a set of inputs.