def qft_circuit(size, id, measure=True):
name = 'QFT' + str(size) + '_' + str(id)
_qft_circ = QFT(size)
_qft_circ.name = name
if measure:
_qft_circ.measure_all()
return _qft_circ
def test_kraus_gate_noise_on_QFT(self, method, device):
"""Test Kraus noise on a QFT circuit"""
shots = 10000
noise_model = ref_kraus_noise.kraus_gate_error_noise_models_full()
backend = self.backend(method=method,
device=device,
noise_model=noise_model)
circuit = QFT(3).decompose()
circuit.measure_all()
ref_target = ref_kraus_noise.kraus_gate_error_counts_on_QFT(shots)
result = backend.run(circuit, shots=shots).result()
self.assertSuccess(result)
self.compare_counts(result, [circuit], [ref_target], delta=0.1 * shots)
def test_kraus_gate_noise_on_QFT(self):
"""Test Kraus noise on a QFT circuit"""
shots = 10000
noise_model = ref_kraus_noise.kraus_gate_error_noise_models_full()
circuit = QFT(3)
circuit.measure_all()
ref_target = ref_kraus_noise.kraus_gate_error_counts_on_QFT(shots)
qobj = assemble(circuit, self.SIMULATOR, shots=shots)
result = self.SIMULATOR.run(qobj,
noise_model=noise_model,
**self.BACKEND_OPTS).result()
self.assertSuccess(result)
self.compare_counts(result, [circuit], [ref_target], delta=0.1 * shots)
from qiskit.circuit.library import QFT
from qiskit import QuantumRegister, QuantumCircuit
from qiskit.visualization import plot_histogram
import simulation as sim
import argparse
from gateSet import myR
args = sim.process_command()
qc = QFT(3)
for i in range(3):
qr = QuantumRegister(3)
qc = QuantumCircuit(qr)
qc.x(qr[0])
qc.x(qr[2])
gate = QFT(3, approximation_degree=i)
inv = QFT(3, inverse=True, approximation_degree=i)
qc.append(gate, qargs=qr[:])
qc.append(inv, qargs=qr[:])
print(qc)
qc.measure_all()
res = sim.mySim(qc, args)
plot_histogram(res).savefig(f'testQFT_{i}.png')
