User talk:Omrika/sandbox/QIP/Quantum phase estimation

A question about an unclear sentence
What does it mean: "If $$\left| \psi \right\rangle$$ is really a superposition of eigenstates"?

Does it mean "If $$\left| \psi \right\rangle$$ is not an eigenstate of $$ U $$ (namely it is a superposition of eigenstates of $$ U $$)"?

Tal Mor (talk) 11:38, 7 December 2016 (UTC)