Struct PolynomialKernel 

pub struct PolynomialKernel {
    pub degree: usize,
    pub coef0: f64,
}

Polynomial kernel.

k(a, b) = (a · b + coef0)^degree

Fields

degree: usize

Polynomial degree.

coef0: f64

Independent term.

Implementations

impl PolynomialKernel

pub fn new(degree: usize, coef0: f64) -> Self

Create a new polynomial kernel.

Trait Implementations

impl Clone for PolynomialKernel

fn clone(&self) -> PolynomialKernel

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PolynomialKernel

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

Formats the value using the given formatter.

impl Kernel for PolynomialKernel

fn eval(&self, a: &[f64], b: &[f64]) -> f64

Evaluate the kernel function k(a, b).

fn name(&self) -> &str

Human-readable kernel name (for Debug output).