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IsresConfig

math_audio_optimisation::isres

Struct IsresConfig 

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pub struct IsresConfig {
    pub bounds: Vec<(f64, f64)>,
    pub x0: Option<Array1<f64>>,
    pub mu: usize,
    pub lambda: usize,
    pub maxeval: usize,
    pub pf: f64,
    pub gamma: f64,
    pub seed: Option<u64>,
    pub f_tol: f64,
    pub stagnation_window: usize,
}
Expand description

Configuration for isres.

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§bounds: Vec<(f64, f64)>

(lower, upper) per dimension.

§x0: Option<Array1<f64>>

Optional initial guess; placed in the first parent slot if provided.

§mu: usize

Parent population size μ. Default 30.

§lambda: usize

Offspring population size λ. Default 7 * μ.

§maxeval: usize

Maximum number of objective evaluations. Counts each candidate (offspring or initial population member) once.

§pf: f64

Stochastic ranking parameter — probability of comparing by objective rather than by constraint violation. Runarsson & Yao recommend 0.4 ≤ pf ≤ 0.5. Default 0.45.

§gamma: f64

Differential variation probability γ (Eq. 2 of R&Y 2005). Default 0.85.

§seed: Option<u64>

Optional RNG seed for deterministic runs.

§f_tol: f64

Stop when best objective improves by less than f_tol for stagnation_window consecutive generations. Set non-positive to disable stagnation-based termination. Default 1e-8.

§stagnation_window: usize

Number of generations of < f_tol improvement before declaring convergence. Default 50.

Trait Implementations§

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impl Clone for IsresConfig

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fn clone(&self) -> IsresConfig

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 Default for IsresConfig

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fn default() -> Self

Returns the “default value” for a type. Read more

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