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CanonicalPenaltyBlock

gam_terms::basis

Struct CanonicalPenaltyBlock 

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pub struct CanonicalPenaltyBlock {
    pub sym_penalty: Array2<f64>,
    pub eigenvalues: Array1<f64>,
    pub eigenvectors: Array2<f64>,
    pub rank: usize,
    pub nullity: usize,
    pub negative_dim: usize,
    pub tol: f64,
    pub iszero: bool,
    pub op: Option<Arc<dyn PenaltyOp>>,
}

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§sym_penalty: Array2<f64>§eigenvalues: Array1<f64>

Eigenvalues from spectral decomposition (retained to avoid recomputation).

§eigenvectors: Array2<f64>

Eigenvectors from spectral decomposition (retained to avoid recomputation).

§rank: usize§nullity: usize§negative_dim: usize

Number of genuine negative-curvature eigendirections (ev < -tol). A non-PSD penalty has negative_dim > 0; these directions are neither range nor null and are never absorbed as unpenalized (#1425).

§tol: f64§iszero: bool§op: Option<Arc<dyn PenaltyOp>>

Optional operator-form handle that is bit-equivalent to sym_penalty. Propagated from PenaltyCandidate.op when present so downstream consumers can use matvec without rebuilding the dense Gram.

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impl Clone for CanonicalPenaltyBlock

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fn clone(&self) -> CanonicalPenaltyBlock

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
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impl Debug for CanonicalPenaltyBlock

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

Formats the value using the given formatter. Read more

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🔬This is a nightly-only experimental API. (clone_to_uninit)
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