Struct PolynomialBackground 

pub struct PolynomialBackground { /* private fields */ }

Power series on the normalized input-grid coordinate [-1, 1].

Implementations

impl PolynomialBackground

pub fn new( background_id: impl Into<String>, coefficients: Vec<f64>, ) -> Result<Self, BackgroundError>

Construct a non-empty finite power-series model.

Errors

Returns BackgroundError for an invalid ID or coefficients.

Trait Implementations

impl Clone for PolynomialBackground

fn clone(&self) -> PolynomialBackground

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for PolynomialBackground

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

Formats the value using the given formatter.

impl DifferentiableBackground for PolynomialBackground

fn background_id(&self) -> &str

Stable model identifier.

fn parameter_names(&self) -> Vec<String>

Stable parameter names in coefficient order.

fn coefficients(&self) -> Vec<f64>

Current physical coefficients in derivative-column order.

fn parameter_bounds(&self) -> Vec<ParameterBounds>

Physical parameter bounds in coefficient order.

fn basis(&self, x_deg: &[f64]) -> Result<BackgroundBasis, BackgroundError>

Evaluate sample-by-parameter analytical derivatives.

fn calculate(&self, x_deg: &[f64]) -> Result<Vec<f64>, BackgroundError>

Evaluate the background on an ordered finite grid.

fn replace_coefficients( &self, coefficients: &[f64], ) -> Result<Self, BackgroundError>

Return the same model with replacement coefficients.

fn basis_is_invariant(&self) -> bool

Return whether the analytical basis is coefficient-invariant.

impl PartialEq for PolynomialBackground

fn eq(&self, other: &PolynomialBackground) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for PolynomialBackground