def test_graph_partition_vqe(self):
""" Graph Partition VQE test """
algorithm_cfg = {'name': 'VQE', 'max_evals_grouped': 2}
optimizer_cfg = {'name': 'SPSA', 'max_trials': 300}
var_form_cfg = {'name': 'RY', 'depth': 5, 'entanglement': 'linear'}
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])
# check against the oracle
ising_sol = graph_partition.get_graph_solution(x)
np.testing.assert_array_equal(ising_sol, [0, 1, 0, 1])
oracle = self._brute_force()
self.assertEqual(graph_partition.objective_value(x, self.w), oracle)
def test_graph_partition(self):
""" Graph Partition test """
algo = NumPyMinimumEigensolver(self.qubit_op, aux_operators=[])
result = algo.run()
x = sample_most_likely(result.eigenstate)
# check against the oracle
ising_sol = graph_partition.get_graph_solution(x)
np.testing.assert_array_equal(ising_sol, [0, 1, 0, 1])
oracle = self._brute_force()
self.assertEqual(graph_partition.objective_value(x, self.w), oracle)
def test_graph_partition_direct(self):
""" Graph Partition Direct test """
algo = ExactEigensolver(self.qubit_op, k=1, aux_operators=[])
result = algo.run()
x = sample_most_likely(result['eigvecs'][0])
# check against the oracle
ising_sol = graph_partition.get_graph_solution(x)
np.testing.assert_array_equal(ising_sol, [0, 1, 0, 1])
oracle = self._brute_force()
self.assertEqual(graph_partition.objective_value(x, self.w), oracle)
def test_graph_partition(self):
""" Graph Partition test """
params = {
'problem': {
'name': 'ising'
},
'algorithm': {
'name': 'ExactEigensolver'
}
}
result = run_algorithm(params, self.algo_input)
x = sample_most_likely(result['eigvecs'][0])
# check against the oracle
ising_sol = graph_partition.get_graph_solution(x)
np.testing.assert_array_equal(ising_sol, [0, 1, 0, 1])
oracle = self._brute_force()
self.assertEqual(graph_partition.objective_value(x, self.w), oracle)
def test_graph_partition_vqe(self):
""" Graph Partition VQE test """
aqua_globals.random_seed = 10598
result = VQE(self.qubit_op,
RY(self.qubit_op.num_qubits,
depth=5,
entanglement='linear'),
SPSA(max_trials=300),
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])
# check against the oracle
ising_sol = graph_partition.get_graph_solution(x)
np.testing.assert_array_equal(ising_sol, [0, 1, 0, 1])
oracle = self._brute_force()
self.assertEqual(graph_partition.objective_value(x, self.w), oracle)
