qiskit.opflow.evolutions.EvolutionFactory.build¶

static EvolutionFactory.build(operator=None)[source]¶

A factory method for convenient automatic selection of an Evolution algorithm based on the Operator to be converted.

Parameters: operator (Optional[OperatorBase]) -- the Operator being evolved
Returns: the EvolutionBase best suited to evolve operator.
Return type: EvolutionBase
Raises: ValueError -- If operator is not of a composition for which we know the best Evolution method.