Struct CsrMatrix 

pub struct CsrMatrix { /* private fields */ }

Compressed Sparse Row (CSR) matrix representation

Implementations

impl CsrMatrix

pub fn from_dense(dense: &Array2<f64>) -> Self

Create a new CSR matrix from dense representation

pub fn zeros(_n_rows: usize, ncols: usize) -> Self

Create an empty CSR matrix

pub fn shape(&self) -> (usize, usize)

Get the shape of the matrix

pub fn nnz(&self) -> usize

Get the number of non-zero elements

pub fn memory_usage(&self) -> usize

Get memory usage in bytes (approximate)

pub fn to_dense(&self) -> Array2<f64>

Convert to dense representation

pub fn get_row(&self, rowidx: usize) -> Result<SparseVector>

Get a specific row as a sparse vector

pub fn dot(&self, vector: &Array1<f64>) -> Result<Array1<f64>>

Multiply by a dense vector

Trait Implementations

impl Clone for CsrMatrix

fn clone(&self) -> CsrMatrix

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for CsrMatrix

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

Formats the value using the given formatter.