Struct ChebyshevBackground 

pub struct ChebyshevBackground { /* private fields */ }

Chebyshev series on one explicit closed degree domain.

Implementations

impl ChebyshevBackground

pub fn new( background_id: impl Into<String>, coefficients: Vec<f64>, domain_deg: [f64; 2], ) -> Result<Self, BackgroundError>

Construct a finite Chebyshev series on an increasing domain.

Errors

Returns BackgroundError for invalid ID, coefficients, or domain.

pub const fn domain_deg(&self) -> [f64; 2]

Return the explicit closed domain in degrees.

Trait Implementations

impl Clone for ChebyshevBackground

fn clone(&self) -> ChebyshevBackground

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ChebyshevBackground

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

Formats the value using the given formatter.

impl DifferentiableBackground for ChebyshevBackground

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 ChebyshevBackground

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for ChebyshevBackground