completed

2/2_a.py

+#By Ryan McShane
+
+import numpy
+import math
+from qiskit import *
+from qiskit import BasicAer
+
+# Implement (A ^ ~S) V (B ^ S)
+'''
+Truth Table
+R | A S B
+----------
+0 | 0 0 0
+1 | 1 0 0
+0 | 0 1 0
+0 | 0 0 1
+0 | 1 1 0
+1 | 1 0 1
+1 | 0 1 1
+1 | 1 1 1
+'''
+
+#Quantum Wires
+q = QuantumRegister(6, 'q')
+#Classical Wires
+c = ClassicalRegister(4, 'c')
+#Build Circit
+circ = QuantumCircuit(q, c)
+
+#Wire assignments
+'''
+q[0] = A
+q[1] = S
+q[2] = B
+q[3] = Result of A ^ ~S
+q[4] = Result of S ^ B
+q[5] = Result of ~q[3] ^ ~q[4]
+q[5] = Result of ~q[5]
+'''
+
+#Inputs
+circ.x(q[0]) #A
+#circ.x(q[1]) #S
+#circ.x(q[2]) #B
+
+
+# Implement (A ^ ~S) V (B ^ S)
+#Circuit
+circ.barrier(q[0], q[1], q[2], q[3], q[4], q[5])
+circ.x(q[1]) # ~S
+circ.ccx(q[0],q[1],q[3])# (A ^ ~S)
+circ.x(q[1]) # undo ~S
+circ.ccx(q[1], q[2], q[4])# (S ^ B)
+
+circ.x(q[3]) # ~ (A ^ ~S)
+circ.x(q[4]) # ~( S ^ B)
+circ.ccx(q[3], q[4], q[5]) # ~q[5] ^ ~q[6]
+circ.x(q[5]) # ~(~q[5] ^ ~q[6])
+
+#Measure
+circ.barrier(q[0],q[1],q[2],q[3],q[4],q[5])
+circ.measure(q[0],c[0])
+circ.measure(q[1],c[1])
+circ.measure(q[2],c[2])
+circ.measure(q[5],c[3])
+
+#Picture Time
+X = circ.draw(output="text")
+print(X)
+
+#Run Experiments
+backend_sim = BasicAer.get_backend('qasm_simulator')
+job_sim = execute(circ, backend_sim, shots=2048)
+result_sim = job_sim.result()
+counts = result_sim.get_counts()
+print(counts)
+
+
+
+
+
+
+