def func():
qml.Hadamard(wires=0)
return density_matrix(0), expval(qml.PauliZ(1))
def func():
qml.Hadamard(wires=1)
qml.PauliY(wires=0)
return density_matrix([0, 1])
def func():
qml.Hadamard(0)
return density_matrix(0)
def circuit():
return density_matrix([0])
def func():
qml.Hadamard(wires=wires[0])
for i in range(3):
qml.CNOT(wires=[wires[i], wires[i + 1]])
return density_matrix(0)
def func():
return density_matrix(0)
