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KernelMatrix

oxilean_std::statistical_learning::types

Struct KernelMatrix 

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pub struct KernelMatrix {
    pub entries: Vec<Vec<f64>>,
    pub n: usize,
}
Expand description

Kernel (Gram) matrix K_{ij} = k(x_i, x_j).

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§entries: Vec<Vec<f64>>

The matrix entries.

§n: usize

Number of data points n.

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impl KernelMatrix

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pub fn compute(kernel: &KernelFunction, data: &[Vec<f64>]) -> Self

Compute the kernel matrix for a dataset and kernel function.

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pub fn trace(&self) -> f64

Trace of the kernel matrix (sum of diagonal entries).

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