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BarycentricInterpolation

oxiphysics_core::numerical_methods_ext

Struct BarycentricInterpolation 

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pub struct BarycentricInterpolation {
    pub nodes: Vec<f64>,
    pub values: Vec<f64>,
    pub weights: Vec<f64>,
}
Expand description

Barycentric interpolation (Berrut second form).

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§nodes: Vec<f64>

Interpolation nodes.

§values: Vec<f64>

Function values at nodes.

§weights: Vec<f64>

Barycentric weights.

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impl BarycentricInterpolation

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pub fn fit(nodes: &[f64], values: &[f64]) -> Self

Fit barycentric interpolant to (nodes, values). Uses Chebyshev-based weights for numerical stability.

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pub fn eval(&self, x: f64) -> f64

Evaluate interpolant at x using second barycentric formula.

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