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How to find density matrix of 3 qubit W state?

We can get the density matrix $\rho$ for a pure state $|\psi\rangle$ using $$\rho=|\psi\rangle\langle\psi|$$ And to write $\rho$ using the Pauli basis $\left\{ P_i \right\}$, $$\rho = \sum_{i=0}^N \...
Egretta.Thula's user avatar
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Regarding the inductive proof that any Clifford gate can be made of Hadamard, phase and c-not

This question is about the second part of the cited exercise. The first part is the single qubit case. In the second part, one is basically supposed to prove by induction that with the given ...
AYS's user avatar
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