def grover_u_s(n_qubits):
plus_state = (qit.state('0') + qit.state('1')) / np.sqrt(2)
state = (qit.state('0') + qit.state('1')) / np.sqrt(2)
for i in range(1, n_qubits):
state = qit.state.tensor(state, plus_state)
I = qit.tensor(qit.lmap(np.eye(2)))
for i in range(1, n_qubits):
I = qit.tensor(I, qit.lmap(np.eye(2)))
return -1 * I + 2 * qit.state.projector(state)
def grover_u_w(state, n_qubits):
I = qit.tensor(qit.lmap(np.eye(2)))
for i in range(1, n_qubits):
I = qit.tensor(I, qit.lmap(np.eye(2)))
return -2 * qit.state.projector(state) + I