# qiskit.aqua.operators.legacy.TPBGroupedWeightedPauliOperator.simplify¶

TPBGroupedWeightedPauliOperator.simplify(copy=False)

Merge the paulis whose bases are identical and the pauli with zero coefficient would be removed.

Note

This behavior of this method is slightly changed, it will remove the paulis whose weights are zero.

Parameters

copy (bool) -- simplify on a copy or self

Returns

the simplified operator

Return type

WeightedPauliOperator