qiskit.opflow.state_fns.StateFn.reduce¶ StateFn.reduce()[source]¶ Try collapsing the Operator structure, usually after some type of conversion, e.g. trying to add Operators in a SummedOp or delete needless IGates in a CircuitOp. If no reduction is available, just returns self. Returns The reduced OperatorBase. Return type OperatorBase