qiskit.opflow.list_ops.SummedOp.collapse_summands¶ SummedOp.collapse_summands()[source]¶ Return Operator by simplifying duplicate operators. E.g., SummedOp([2 * X ^ Y, X ^ Y]).collapse_summands() -> SummedOp([3 * X ^ Y]). Return type SummedOp Returns A simplified SummedOp equivalent to self.