qiskit.optimization.converters.InequalityToEquality

class InequalityToEquality(mode='auto')

Convert inequality constraints into equality constraints by introducing slack variables.

예제

>>> from qiskit.optimization.problems import QuadraticProgram
>>> from qiskit.optimization.converters import InequalityToEquality
>>> problem = QuadraticProgram()
>>> # define a problem
>>> conv = InequalityToEquality()
>>> problem2 = conv.convert(problem)

매개변수

mode (str) –

To chose the type of slack variables. There are 3 options for mode.

• ’integer’: All slack variables will be integer variables.

• ’continuous’: All slack variables will be continuous variables

• ’auto’: Try to use integer variables but if it’s not possible,

  use continuous variables

__init__(mode='auto')

매개변수

mode (str) –

To chose the type of slack variables. There are 3 options for mode.

• ’integer’: All slack variables will be integer variables.

• ’continuous’: All slack variables will be continuous variables

• ’auto’: Try to use integer variables but if it’s not possible,

  use continuous variables

Methods

__init__([mode])	type mode str
convert(problem)	Convert a problem with inequality constraints into one with only equality constraints.
decode(result)	DEPRECATED Decode a result into another form using the information of conversion.
encode(problem)	DEPRECATED Encode a QuadraticProgram into another form and keep the information required to decode the result.
interpret(result)	Convert a result of a converted problem into that of the original problem.

Attributes

mode	Returns the mode of the converter

convert(problem)

Convert a problem with inequality constraints into one with only equality constraints.

매개변수

problem (QuadraticProgram) – The problem to be solved, that may contain inequality constraints.

반환 형식

QuadraticProgram

반환값

The converted problem, that contain only equality constraints.

예외

• QiskitOptimizationError – If a variable type is not supported.

• QiskitOptimizationError – If an unsupported mode is selected.

• QiskitOptimizationError – If an unsupported sense is specified.

decode(result)

DEPRECATED Decode a result into another form using the information of conversion.

반환 형식

OptimizationResult

encode(problem)

DEPRECATED Encode a QuadraticProgram into another form and keep the information required to decode the result.

반환 형식

QuadraticProgram

interpret(result)

Convert a result of a converted problem into that of the original problem.

매개변수

result (OptimizationResult) – The result of the converted problem or the given result in case of FAILURE.

반환 형식

OptimizationResult

반환값

The result of the original problem.

property mode

Returns the mode of the converter

반환 형식

str

반환값

The mode of the converter used for additional slack variables