qiskit.aqua.operators.legacy.TPBGroupedWeightedPauliOperator.from_file¶
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classmethod
TPBGroupedWeightedPauliOperator.from_file(file_name, before_04=False)¶ Load paulis in a file to construct an Operator.
- Parameters
file_name (str) – path to the file, which contains a list of Paulis and coefficients.
before_04 (bool) – support the format before Aqua 0.4.
- Returns
the loaded operator.
- Return type