Struct GlobalGaussNewtonIterationMetrics 

pub struct GlobalGaussNewtonIterationMetrics { /* private fields */ }

Numerical work reported by one global Gauss–Newton object update.

Implementations

impl GlobalGaussNewtonIterationMetrics

pub fn conjugate_gradient_iterations(&self) -> usize

Returns the number of matrix-free conjugate-gradient iterations used.

pub fn linear_residual_ratio(&self) -> f64

Returns the final linear residual norm divided by its initial norm.

pub fn line_search_evaluations(&self) -> usize

Returns the number of full-data trial-objective evaluations.

pub fn accepted_step_scale(&self) -> f64

Returns the accepted multiplier applied to the Gauss–Newton direction.

pub fn gradient_norm(&self) -> f64

Returns the Euclidean norm of J^T r at the pre-update object.

Trait Implementations

impl AlgorithmIterationMetrics for GlobalGaussNewtonIterationMetrics

fn merge(&mut self, other: Self)

Deterministically accumulates metrics from another batch in schedule order.

fn append_records( &self, iteration: usize, output: &mut Vec<AlgorithmMetricRecord>, )

Appends stable scalar records for a one-based completed iteration.

impl Clone for GlobalGaussNewtonIterationMetrics

fn clone(&self) -> GlobalGaussNewtonIterationMetrics

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for GlobalGaussNewtonIterationMetrics

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

Formats the value using the given formatter.

impl Default for GlobalGaussNewtonIterationMetrics

fn default() -> GlobalGaussNewtonIterationMetrics

Returns the “default value” for a type.

impl Copy for GlobalGaussNewtonIterationMetrics