EvolutionFactory

class qiskit.opflow.evolutions.EvolutionFactory

Bases: object

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

Methods

static build(operator=None)

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

Deprecated since version 0.24.0: The method qiskit.opflow.evolutions.evolution_factory.EvolutionFactory.build() is deprecated as of qiskit-terra 0.24.0. It will be removed no earlier than 3 months after the release date. For code migration guidelines, visit https://qisk.it/opflow_migration.

Parameters:

operator (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.