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appunti-steffo/7 - Introduction to quantum information processing/1 - Concetti base/proiezione.md

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2024-06-04 06:16:05 +00:00
[[Operazione]] che restitusce il coefficiente dello stato $\ket{0}$ di un dato [[qbit]].
$$
\Huge
\mathbf{n}_0
=
\begin{bmatrix}
1 & 0 \\
0 & 0
\end{bmatrix}
=
\ket{0}
\bra{0}
$$