Struct numopt::matrix::coo::CooMat

pub struct CooMat<T> { /* fields omitted */ }

Sparse matrix in coordinate format.

Methods

impl<T: MatItem> CooMat<T>

pub fn new(
    shape: (usize, usize),
    row_inds: Vec<usize>,
    col_inds: Vec<usize>,
    data: Vec<T>
) -> Self

Creates CooMat from (row, col, value) triplets.

pub fn from_pattern(
    shape: (usize, usize),
    row_inds: Vec<usize>,
    col_inds: Vec<usize>
) -> Self

Creates CooMat from sparsity pattern.

pub fn from_nnz(shape: (usize, usize), nnz: usize) -> Self

Creates empty CooMat from number of nonzero elements.

pub fn rows(&self) -> usize

Number of rows.

pub fn cols(&self) -> usize

Number of columns.

pub fn nnz(&self) -> usize

Number of nonzero elements.

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

Vector of row indices.

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

Vector of column indices.

pub fn data(&self) -> &[T]

Vector of data values.

pub fn set_row_ind(&mut self, k: usize, row: usize)

Sets row index.

pub fn set_col_ind(&mut self, k: usize, row: usize)

Sets column index.

pub fn set_data(&mut self, k: usize, d: T)

Sets data value.

pub fn iter(&self) -> CooMatIter<T>

Creates iterator for nonzero elements.

pub fn to_csr(&self) -> CsrMat<T>

Converts matrix to CsrMat

Trait Implementations

impl<T: Debug> Debug for CooMat<T>

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

Formats the value using the given formatter.

impl<'_, T: MatItem> Mul<Vec<T>> for &'_ CooMat<T>

type Output = Vec<T>

The resulting type after applying the * operator.

fn mul(self, rhs: Vec<T>) -> Vec<T>

Performs the * operation.