def make_kraus_instruction(mats, qubits):
"""Return a qobj instruction for a Kraus error.
Args:
mats (list[matrix]): A list of square or diagonal Kraus matrices.
qubits (list[int]): The qubits the matrix is applied to.
Returns:
dict: The qobj instruction object.
Raises:
NoiseError: if the input is not a CPTP Kraus channel.
"""
kraus = Kraus(mats)
if not kraus.is_cptp() or kraus._input_dim != kraus._output_dim:
raise NoiseError("Input Kraus matrices are not a CPTP channel.")
if isinstance(qubits, int):
qubits = [qubits]
return [{"name": "kraus", "qubits": qubits, "params": kraus.data}]
def make_kraus_instruction(mats, qubits):
"""Return a qobj instruction for a Kraus error.
Args:
mats (list[matrix]): A list of square or diagonal Kraus matrices.
qubits (list[int]): The qubits the matrix is applied to.
Returns:
dict: The qobj instruction object.
Raises:
NoiseError: if the input is not a CPTP Kraus channel.
"""
warnings.warn(
'make_kraus_instruction has been deprecated as of qiskit-aer 0.10.0'
' and will be removed no earlier than 3 months from that release date.',
DeprecationWarning, stacklevel=2)
kraus = Kraus(mats)
if not kraus.is_cptp() or kraus._input_dim != kraus._output_dim:
raise NoiseError("Input Kraus matrices are not a CPTP channel.")
if isinstance(qubits, int):
qubits = [qubits]
return [{"name": "kraus", "qubits": qubits, "params": kraus.data}]
