Posted by unknown on Sunday, February 24, 2013 at 8:47pm.
Suppose we have a qubit in the state ψ⟩. We know that if we measure it in the standard basis, the probability of getting a 0 is 79. Now, if we instead first apply a Hadamard gate and then measure the resulting qubit Hψ⟩ in the sign basis, what is the probability of getting a +?

Physics  helper, Tuesday, February 26, 2013 at 2:08am
7/9
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