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execute_vqa

quantrs2_device::vqa_support

Function execute_vqa 

Source 
pub fn execute_vqa(
    config: VQAConfig,
    ansatz: &ParametricCircuit,
    objective_function: &dyn ObjectiveFunction,
) -> DeviceResult<VQAResult>
Expand description

Main VQA execution entry point — synchronous gradient-descent loop.

Uses the parameter-shift gradient via objective_function.compute_gradient with a fixed step size of 0.01. Runs for config.optimization_config.max_iterations steps and reports convergence when the objective change falls below config.optimization_config.convergence_tolerance.