Struct LowRankKernelMatrix 

pub struct LowRankKernelMatrix { /* private fields */ }

Low-rank compressed kernel matrix using SVD

Implementations

impl LowRankKernelMatrix

pub fn new(kernel_matrix: &Array2<Float>, num_components: usize) -> Result<Self>

Create low-rank approximation of kernel matrix

Trait Implementations

impl CompressedKernelMatrix for LowRankKernelMatrix

fn get(&self, i: usize, j: usize) -> Result<Float>

Get kernel value at position (i, j)

fn get_block( &self, row_start: usize, row_end: usize, col_start: usize, col_end: usize, ) -> Result<Array2<Float>>

Get a block of kernel values

fn dimensions(&self) -> (usize, usize)

Get matrix dimensions

fn compression_ratio(&self) -> Float

Get compression ratio achieved

fn approximation_error(&self) -> Float

Get approximation error

fn memory_usage(&self) -> usize

Get memory usage in bytes