Created
November 3, 2021 21:08
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| def vqe(qubitOp): | |
| backend = Aer.get_backend('statevector_simulator') # You can switch to different backends by providing the name of backend. | |
| seed = 50 | |
| cobyla = COBYLA() | |
| cobyla.set_options(maxiter=1000) | |
| ry = TwoLocal(qubitOp.num_qubits, 'ry', 'cz', reps=3, entanglement='full') | |
| vqe = VQE(qubitOp, ry, cobyla) | |
| vqe.random_seed = seed | |
| quantum_instance = QuantumInstance(backend=backend, seed_simulator=seed, seed_transpiler=seed) | |
| result = vqe.run(quantum_instance) | |
| selection, state, values, probabilities = print_result(result) | |
| print(selection_to_picks(num_assets, selection)) | |
| return state, values, probabilities |
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