Struct VqeConfig 

pub struct VqeConfig {
    pub hamiltonian: Hamiltonian,
    pub num_qubits: u32,
    pub ansatz_depth: u32,
    pub max_iterations: u32,
    pub convergence_threshold: f64,
    pub learning_rate: f64,
    pub seed: Option<u64>,
}

Configuration for a VQE run.

Fields

hamiltonian: Hamiltonian

The Hamiltonian whose ground-state energy we seek.

num_qubits: u32

Number of qubits in the ansatz circuit.

ansatz_depth: u32

Number of ansatz layers (depth). Each layer contributes 2 * num_qubits parameters (Ry + Rz per qubit).

max_iterations: u32

Maximum number of classical optimizer iterations.

convergence_threshold: f64

Stop early when the absolute energy change between successive iterations falls below this threshold.

learning_rate: f64

Step size for gradient descent.

seed: Option<u64>

Optional RNG seed for reproducible simulation.