def test_exact_cover_vqe(self):
""" Exact Cover VQE test """
algorithm_cfg = {'name': 'VQE', 'max_evals_grouped': 2}
optimizer_cfg = {'name': 'COBYLA'}
var_form_cfg = {'name': 'RYRZ', 'depth': 5}
params = {
'problem': {
'name': 'ising',
'random_seed': 10598
},
'algorithm': algorithm_cfg,
'optimizer': optimizer_cfg,
'variational_form': var_form_cfg
}
backend = BasicAer.get_backend('statevector_simulator')
result = run_algorithm(params, self.algo_input, backend=backend)
x = sample_most_likely(result['eigvecs'][0])
ising_sol = exact_cover.get_solution(x)
oracle = self._brute_force()
self.assertEqual(
exact_cover.check_solution_satisfiability(ising_sol,
self.list_of_subsets),
oracle)
def test_exact_cover_direct(self):
""" Exact Cover Direct test """
algo = ExactEigensolver(self.qubit_op, k=1, aux_operators=[])
result = algo.run()
x = sample_most_likely(result['eigvecs'][0])
ising_sol = exact_cover.get_solution(x)
np.testing.assert_array_equal(ising_sol, [0, 1, 1, 0])
oracle = self._brute_force()
self.assertEqual(exact_cover.check_solution_satisfiability(ising_sol, self.list_of_subsets),
oracle)
def test_exact_cover(self):
""" Exact Cover test """
params = {
'problem': {'name': 'ising'},
'algorithm': {'name': 'ExactEigensolver'}
}
result = run_algorithm(params, EnergyInput(self.qubit_op))
x = sample_most_likely(result['eigvecs'][0])
ising_sol = exact_cover.get_solution(x)
np.testing.assert_array_equal(ising_sol, [0, 1, 1, 0])
oracle = self._brute_force()
self.assertEqual(exact_cover.check_solution_satisfiability(ising_sol, self.list_of_subsets),
oracle)
def test_exact_cover_vqe(self):
""" Exact Cover VQE test """
aqua_globals.random_seed = 10598
result = VQE(self.qubit_op,
RYRZ(self.qubit_op.num_qubits, depth=5),
COBYLA(),
max_evals_grouped=2).run(
QuantumInstance(BasicAer.get_backend('statevector_simulator'),
seed_simulator=aqua_globals.random_seed,
seed_transpiler=aqua_globals.random_seed))
x = sample_most_likely(result['eigvecs'][0])
ising_sol = exact_cover.get_solution(x)
oracle = self._brute_force()
self.assertEqual(exact_cover.check_solution_satisfiability(ising_sol, self.list_of_subsets),
oracle)
