Struct SparseMatrix

pub struct SparseMatrix<A> {
    pub shape: (usize, usize),
    pub format: SparseFormat,
    pub coo_data: SparseMatrixCOO<A>,
    pub csr_data: Option<SparseMatrixCSR<A>>,
    pub csc_data: Option<SparseMatrixCSC<A>>,
    pub metadata: HashMap<String, String>,
}

Enhanced sparse matrix with multiple format support

Fields

shape: (usize, usize)

Matrix dimensions

format: SparseFormat

Current storage format

coo_data: SparseMatrixCOO<A>

COO format data (always maintained for compatibility)

csr_data: Option<SparseMatrixCSR<A>>

CSR format data (computed on demand)

csc_data: Option<SparseMatrixCSC<A>>

CSC format data (computed on demand)

metadata: HashMap<String, String>

Additional metadata

Implementations

impl<A: Clone> SparseMatrix<A>

pub fn from_coo(coo: SparseMatrixCOO<A>) -> Self

Create a new sparse matrix from COO data

pub fn new(rows: usize, cols: usize) -> Self

Create a new sparse matrix with specified dimensions

pub fn insert(&mut self, row: usize, col: usize, value: A)

Add a value to the sparse matrix (always updates COO format)

pub fn nnz(&self) -> usize

Get the number of non-zero elements

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

Get matrix dimensions

pub fn to_csr(&mut self) -> Result<&SparseMatrixCSR<A>>

where A: Clone + Default + PartialEq,

Convert to CSR format (cached)

pub fn to_csc(&mut self) -> Result<&SparseMatrixCSC<A>>

where A: Clone + Default + PartialEq,

Convert to CSC format (cached)

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

where A: Clone + Default,

Convert to dense matrix representation

pub fn sparsity(&self) -> f64

Calculate sparsity ratio (percentage of zero elements)

pub fn memory_usage(&self) -> usize

Get memory usage estimate in bytes

Trait Implementations

impl<A: Clone> Clone for SparseMatrix<A>

fn clone(&self) -> SparseMatrix<A>

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl<A: Debug> Debug for SparseMatrix<A>

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

Formats the value using the given formatter.

impl<'de, A> Deserialize<'de> for SparseMatrix<A>

where A: Deserialize<'de> + Default,

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl<A> Serialize for SparseMatrix<A>

where A: Serialize,

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.