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FemSmoothResult

fdars_core::fem_smoothing

Struct FemSmoothResult 

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#[non_exhaustive]
pub struct FemSmoothResult {
    pub node_values: Vec<f64>,
    pub fitted_obs: Vec<f64>,
    pub edf: f64,
    pub gcv: f64,
    pub rss: f64,
    pub lambda: f64,
    pub n_nodes: usize,
    pub n_triangles: usize,
}
Expand description

Result of FEM/PDE-regularized surface smoothing.

Returned by fem_smooth and fem_smooth_gcv (wave-2). Defined here in the foundation plan so wave-2 implementations can reference it without re-definition.

All matrices stored as row-major flat Vec<f64> internally; fitted values are plain Vec<f64> of length n_nodes and n_obs respectively.

Fields (Non-exhaustive)§

This struct is marked as non-exhaustive
Non-exhaustive structs could have additional fields added in future. Therefore, non-exhaustive structs cannot be constructed in external crates using the traditional Struct { .. } syntax; cannot be matched against without a wildcard ..; and struct update syntax will not work.
§node_values: Vec<f64>

Fitted surface values at the mesh nodes (length n_nodes).

The coefficient vector c solving (Φ'Φ + λ·K) c = Φ'y.

§fitted_obs: Vec<f64>

Fitted values at the observation locations obs_xy (length n_obs).

Computed as fitted_obs[i] = Σ_k φ_k(obs_xy[i]) * c[k].

§edf: f64

Effective degrees of freedom — trace of the hat matrix Φ(Φ'Φ + λK)⁻¹Φ'.

§gcv: f64

Generalised cross-validation score.

GCV = n · RSS / (n − edf)². Set to f64::INFINITY if edf ≥ n_obs.

§rss: f64

Residual sum of squares at the observation locations.

§lambda: f64

Smoothing parameter λ used for this result.

§n_nodes: usize

Number of mesh nodes N.

§n_triangles: usize

Number of triangles T.

Trait Implementations§

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impl Clone for FemSmoothResult

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fn clone(&self) -> FemSmoothResult

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 FemSmoothResult

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

Formats the value using the given formatter. Read more
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impl PartialEq for FemSmoothResult

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more
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impl StructuralPartialEq for FemSmoothResult

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