Struct SparseVector 

pub struct SparseVector { /* private fields */ }

Sparse vector representation using index-value pairs

Implementations

impl SparseVector

pub fn new(size: usize) -> Self

Create a new sparse vector

pub fn from_dense(dense: &Array1<f64>) -> Self

Create from a dense vector

pub fn fromindices_values( indices: Vec<usize>, values: Vec<f64>, size: usize, ) -> Self

Create from indices and values

pub fn to_dense(&self) -> Array1<f64>

Convert to dense representation

pub fn nnz(&self) -> usize

Get the number of non-zero elements

pub fn size(&self) -> usize

Get the size of the vector

pub fn dotsparse(&self, other: &SparseVector) -> Result<f64>

Compute dot product with another sparse vector

pub fn norm(&self) -> f64

Compute L2 norm

pub fn scale(&mut self, scalar: f64)

Scale by a constant

pub fn indices(&self) -> &[usize]

Get the indices of non-zero elements

pub fn values(&self) -> &[f64]

Get the values of non-zero elements

pub fn values_mut(&mut self) -> &mut [f64]

Get mutable reference to values

Trait Implementations

impl Clone for SparseVector

fn clone(&self) -> SparseVector

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for SparseVector

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

Formats the value using the given formatter.