ObjectiveResult

quantrs2_device::vqa_support::objectives

Struct ObjectiveResult 

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pub struct ObjectiveResult {
    pub value: f64,
    pub gradient: Option<Array1<f64>>,
    pub hessian: Option<Array2<f64>>,
    pub term_contributions: Vec<f64>,
    pub uncertainty: Option<f64>,
    pub variance: Option<f64>,
    pub metrics: HashMap<String, f64>,
    pub measurement_results: MeasurementResults,
    pub metadata: ObjectiveMetadata,
}
Expand description

Comprehensive objective function evaluation result

Fields§

§value: f64

Primary objective value

§gradient: Option<Array1<f64>>

Gradient (if computed)

§hessian: Option<Array2<f64>>

Hessian (if computed)

§term_contributions: Vec<f64>

Individual term contributions

§uncertainty: Option<f64>

Statistical uncertainty

§variance: Option<f64>

Variance estimate

§metrics: HashMap<String, f64>

Additional metrics

§measurement_results: MeasurementResults

Measurement results

§metadata: ObjectiveMetadata

Computation metadata

Trait Implementations§

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impl Clone for ObjectiveResult

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fn clone(&self) -> ObjectiveResult

Returns a duplicate of the value. Read more
1.0.0 · Source§

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

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

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

Formats the value using the given formatter. Read more

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