qiskit.optimization.algorithms.GroverOptimizationResult¶

class GroverOptimizationResult(x, fval, variables, operation_counts, n_input_qubits, n_output_qubits, intermediate_fval, threshold, status)[source]¶

A result object for Grover Optimization methods.

Constructs a result object with the specific Grover properties.

Parameters

x (Union[List[float], ndarray]) – The solution of the problem
fval (float) – The value of the objective function of the solution
variables (List[Variable]) – A list of variables defined in the problem
operation_counts (Dict[int, Dict[str, int]]) – The counts of each operation performed per iteration.
n_input_qubits (int) – The number of qubits used to represent the input.
n_output_qubits (int) – The number of qubits used to represent the output.
intermediate_fval (float) – The intermediate value of the objective function of the solution, that is expected to be identical with fval.
threshold (float) – The threshold of Grover algorithm.
status (OptimizationResultStatus) – the termination status of the optimization algorithm.

__init__(x, fval, variables, operation_counts, n_input_qubits, n_output_qubits, intermediate_fval, threshold, status)[source]¶

Constructs a result object with the specific Grover properties.

Parameters

x (Union[List[float], ndarray]) – The solution of the problem
fval (float) – The value of the objective function of the solution
variables (List[Variable]) – A list of variables defined in the problem
operation_counts (Dict[int, Dict[str, int]]) – The counts of each operation performed per iteration.
n_input_qubits (int) – The number of qubits used to represent the input.
n_output_qubits (int) – The number of qubits used to represent the output.
intermediate_fval (float) – The intermediate value of the objective function of the solution, that is expected to be identical with fval.
threshold (float) – The threshold of Grover algorithm.
status (OptimizationResultStatus) – the termination status of the optimization algorithm.

Methods

__init__(x, fval, variables, …)

Constructs a result object with the specific Grover properties.

Attributes

`fval`	Returns the optimal function value.
`intermediate_fval`	Getter of the intermediate fval
`n_input_qubits`	Getter of n_input_qubits
`n_output_qubits`	Getter of n_output_qubits
`operation_counts`	Get the operation counts.
`raw_results`	Return the original results object from the optimization algorithm.
`status`	Returns the termination status of the optimization algorithm.
`threshold`	Getter of the threshold of Grover algorithm.
`variable_names`	Returns the list of variable names of the optimization problem.
`variables`	Returns the list of variables of the optimization problem.
`variables_dict`	Returns the optimal value as a dictionary of the variable name and corresponding value.
`x`	Returns the optimal value found in the optimization or None in case of FAILURE.

property fval¶

Returns the optimal function value.

Return type: float
Returns: The function value corresponding to the optimal value found in the optimization.

property intermediate_fval¶

Getter of the intermediate fval

Return type: float
Returns: The intermediate value of fval before interpret.

property n_input_qubits¶

Getter of n_input_qubits

Return type: int
Returns: The number of qubits used to represent the input.

property n_output_qubits¶

Getter of n_output_qubits

Return type: int
Returns: The number of qubits used to represent the output.

property operation_counts¶

Get the operation counts.

Return type: Dict[int, Dict[str, int]]
Returns: The counts of each operation performed per iteration.

property raw_results¶

Return the original results object from the optimization algorithm.

Currently a dump for any leftovers.

Return type: Any
Returns: Additional result information of the optimization algorithm.

property status¶

Returns the termination status of the optimization algorithm.

Return type: OptimizationResultStatus
Returns: The termination status of the algorithm.

property threshold¶

Getter of the threshold of Grover algorithm.

Return type: float
Returns: The threshold of Grover algorithm.

property variable_names¶

Returns the list of variable names of the optimization problem.

Return type: List[str]
Returns: The list of variable names of the optimization problem.

property variables¶

Returns the list of variables of the optimization problem.

Return type: List[Variable]
Returns: The list of variables.

property variables_dict¶

Returns the optimal value as a dictionary of the variable name and corresponding value.

Return type: Dict[str, float]
Returns: The optimal value as a dictionary of the variable name and corresponding value.

property x¶

Returns the optimal value found in the optimization or None in case of FAILURE.

Return type: Optional[ndarray]
Returns: The optimal value found in the optimization.