Struct LinearOperator 

pub struct LinearOperator<F>
where
    F: Float + NumAssign + Zero + Sum + One + ScalarOperand + Send + Sync,
{ /* private fields */ }

Implementations

impl<F> LinearOperator<F>

where F: Float + NumAssign + Zero + Sum + One + ScalarOperand + Send + Sync,

pub fn new<O>(dimension: usize, op: O) -> Self

where O: Fn(&ArrayView1<'_, F>) -> Array1<F> + Send + Sync + 'static,

Create a new square linear operator

Arguments

• dimension - Dimension of the square operator
• op - Closure that implements the matrix-vector product

Returns

A new LinearOperator instance

pub fn new_rectangular<O>(rows: usize, cols: usize, op: O) -> Self

where O: Fn(&ArrayView1<'_, F>) -> Array1<F> + Send + Sync + 'static,

Create a new rectangular linear operator

Arguments

• rows - Number of rows
• cols - Number of columns
• op - Closure that implements the matrix-vector product

Returns

A new LinearOperator instance

pub fn symmetric(self) -> Self

Mark the operator as symmetric

Returns

Self with the symmetric flag set to true

pub fn positive_definite(self) -> Self

Mark the operator as positive definite

Returns

Self with the positive_definite flag set to true

pub fn transpose(&self) -> Self

where F: 'static,

Create the transpose of this linear operator

Returns

A new LinearOperator that represents the transpose of this operator

Trait Implementations

impl<F> MatrixFreeOp<F> for LinearOperator<F>

where F: Float + NumAssign + Zero + Sum + One + ScalarOperand + Send + Sync,

fn apply(&self, x: &ArrayView1<'_, F>) -> LinalgResult<Array1<F>>

Apply the linear operator to a vector

fn nrows(&self) -> usize

Get the number of rows in the linear operator

fn ncols(&self) -> usize

Get the number of columns in the linear operator

fn is_symmetric(&self) -> bool

Check if the linear operator is symmetric

fn is_positive_definite(&self) -> bool

Check if the linear operator is positive definite