I expected |110> since we do
a -> a
b -> b
c -> ab + c (mod 2)
since x 0 -> 1 and 1+1 = 0 mod 2 we get 110. Why is qiskit returning 011?
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$\begingroup$ This is because Qiskit uses little-endian for bit ordering. See here. $\endgroup$– Egretta.ThulaApr 29 at 15:40
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1 Answer
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This is just because of the qubit ordering. The 0 in the result $|011\rangle$ is the most significant qubit and corresponds to q_2 in the circuit diagram.
