IsingToQuadraticProgram

IsingToQuadraticProgram(linear=False)

Convert a qubit operator into a quadratic program

Parameters

linear (bool) – If linear is True, $x^2$ is treated as a linear term since $x^2 = x$ for $x \in \{0,1\}$ . Else, $x^2$ is treat as a quadratic term. The default value is False.

Methods

encode

IsingToQuadraticProgram.encode(qubit_op, offset=0.0)

Convert a qubit operator and a shift value into a quadratic program

Parameters

qubit_op (WeightedPauliOperator) – The qubit operator to be converted into a QuadraticProgram
offset (float) – The shift value of the qubit operator

Return type

QuadraticProgram

Returns

QuadraticProgram converted from the input qubit operator and the shift value

Raises

QiskitOptimizationError – If there are Pauli Xs in any Pauli term
QiskitOptimizationError – If there are more than 2 Pauli Zs in any Pauli term

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