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SamplingMinimumEigensolver

class SamplingMinimumEigensolver

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Bases: abc.ABC

The Sampling Minimum Eigensolver Interface.


Methods

compute_minimum_eigenvalue

abstract SamplingMinimumEigensolver.compute_minimum_eigenvalue(operator, aux_operators=None)

Compute the minimum eigenvalue of a diagonal operator.

Parameters

  • operator (BaseOperator | PauliSumOp) – Diagonal qubit operator.
  • aux_operators (ListOrDict[BaseOperator | PauliSumOp] | None) – Optional list of auxiliary operators to be evaluated with the final state.

Return type

SamplingMinimumEigensolverResult

Returns

A SamplingMinimumEigensolverResult containing the optimization result.

supports_aux_operators

classmethod SamplingMinimumEigensolver.supports_aux_operators()

Whether computing the expectation value of auxiliary operators is supported.

If the minimum eigensolver computes an eigenstate of the main operator then it can compute the expectation value of the aux_operators for that state. Otherwise they will be ignored.

Return type

bool

Returns

True if aux_operator expectations can be evaluated, False otherwise

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