def circuit():
"""4-qubit circuit with layers of randomly selected gates and random connections for
multi-qubit gates."""
qml.BasisState(np.array([1, 0, 0, 0]),
wires=[0, 1, 2, 3])
for gates in gates_per_layers:
for gate in gates:
if gate.name in dev.operations:
qml.apply(gate)
return qml.expval(obs)
def circuit():
qml.PauliX(wires=[0])
qml.BasisState(np.array([0, 1, 0, 1]), wires=list(range(self.num_subsystems)))
return qml.expval.PauliZ(0)
def circuit():
qml.BasisState(bits_to_flip, wires=list(range(self.num_subsystems-1)))
return qml.expval.PauliZ(0), qml.expval.PauliZ(1), qml.expval.PauliZ(2), qml.expval.PauliZ(3)
def qf(x):
qml.BasisState(np.array([x, 0]), [0, 1])
qml.RX(x, [0])
return qml.expval.PauliZ(0)
def circuit(x, y, input_state=np.array([0, 0])):
qml.BasisState(input_state, wires=[0, 1])
qml.RX(x, wires=[0])
qml.RY(y, wires=[0])
return qml.expval(qml.PauliZ(0))
def circuit(weights, x=None):
qml.BasisState(x, wires=range(num_wires))
qml.template.StronglyEntanglingCircuit(
weights, True, wires=range(num_wires))
return qml.expval.PauliZ(0)
