Struct VariationalCircuit 

pub struct VariationalCircuit {
    pub num_qubits: usize,
    pub num_params: usize,
    pub parameters: Array1<f64>,
    pub num_layers: usize,
    pub ansatz_type: AnsatzType,
}

Variational quantum circuit with parameterized gates

Fields

num_qubits: usize

Number of qubits

num_params: usize

Number of parameters

parameters: Array1<f64>

Current parameters

num_layers: usize

Number of layers

ansatz_type: AnsatzType

Type of ansatz

Implementations

impl VariationalCircuit

pub fn new( num_qubits: usize, num_params: usize, num_layers: usize, ansatz_type: AnsatzType, ) -> Result<Self>

Creates a new variational circuit

pub fn create_circuit<const N: usize>(&self) -> Result<Circuit<N>>

Creates a circuit with the current parameters

pub fn compute_expectation( &self, hamiltonian: &[(f64, Vec<(usize, usize)>)], ) -> Result<f64>

Computes the expectation value of a Hamiltonian

pub fn evaluate( &self, objective: &dyn Fn(&VariationalCircuit) -> Result<f64>, ) -> Result<f64>

Evaluates the objective function for optimization

pub fn optimize( &mut self, objective: &dyn Fn(&VariationalCircuit) -> Result<f64>, optimizer: &Optimizer, max_iterations: usize, ) -> Result<f64>

Optimizes the circuit parameters

Trait Implementations

impl Clone for VariationalCircuit

fn clone(&self) -> VariationalCircuit

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for VariationalCircuit

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

Formats the value using the given formatter.