qc.h(q[1]) qc.h(q[2]) # Step B: entangle the test example with the ground state of the ancilla # qc.cry(2 * math.acos(-0.8448179), q[0], q[3]) # qc.cry(2 * (2 * pi - math.acos(-0.36817031)), q[0], q[3]) qc.cry(2 * math.acos(-0.36817031), q[0], q[3]) qc.cz(q[0], q[3]) # qc.crz(math.pi, q[0], q[3]) qc.x(q[0]) # Step C: entangle the first trainning example with the excited state of the ancilla and the ground states of the two index qubits # qc.cccry(2 * (2 * pi - math.acos(-0.99407732)), q[0], q[1], q[2], q[3]) qc.cccry(2 * math.acos(-0.99407732), q[0], q[1], q[2], q[3]) # qc.cccrz(math.pi, q[0], q[1], q[2], q[3]) qc.cccz(q[0], q[1], q[2], q[3]) qc.x(q[1]) qc.x(q[2]) # Step D: entangle the second trainning example with the excited state of the ancilla and the LSB and the ground state of the MSB of the index qubits qc.cccry(2 * math.acos(-0.30654501), q[0], q[1], q[2], q[3]) qc.cx(q[1], q[2]) qc.swap(q[1], q[2]) # Step E: entangle the third trainning example with the excited state of the ancilla and the MSB and the ground state of the LSB of the index qubits # qc.cccry(2 * (2 * pi - math.acos(-0.92072409)), q[0], q[1], q[2], q[3]) qc.cccry(2 * math.acos(-0.92072409), q[0], q[1], q[2], q[3]) # qc.cccrz(math.pi, q[0], q[1], q[2], q[3]) qc.cccz(q[0], q[1], q[2], q[3]) qc.cx(q[1], q[2])
