# Differences

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 observable [2016/01/18 22:05]nikolaj observable [2016/01/18 22:08] (current)nikolaj Both sides previous revision Previous revision 2016/01/18 22:08 nikolaj 2016/01/18 22:05 nikolaj 2016/01/18 22:05 nikolaj 2016/01/18 22:05 nikolaj 2014/03/21 11:11 external edit2013/08/31 22:47 nikolaj 2013/08/31 22:47 nikolaj 2013/08/31 22:44 nikolaj 2013/08/31 22:44 nikolaj 2013/08/31 22:42 nikolaj 2013/08/31 22:41 nikolaj 2013/08/31 22:41 nikolaj 2013/08/31 21:23 nikolaj 2013/08/31 21:23 nikolaj 2013/08/31 21:22 nikolaj created 2016/01/18 22:08 nikolaj 2016/01/18 22:05 nikolaj 2016/01/18 22:05 nikolaj 2016/01/18 22:05 nikolaj 2014/03/21 11:11 external edit2013/08/31 22:47 nikolaj 2013/08/31 22:47 nikolaj 2013/08/31 22:44 nikolaj 2013/08/31 22:44 nikolaj 2013/08/31 22:42 nikolaj 2013/08/31 22:41 nikolaj 2013/08/31 22:41 nikolaj 2013/08/31 21:23 nikolaj 2013/08/31 21:23 nikolaj 2013/08/31 21:22 nikolaj created Line 17: Line 17: * $\frac{\langle \psi | A\ \psi \rangle}{\Vert\psi\Vert^2}\in \mathbb R$ is called [[Hilbert space mean value|mean value]]. * $\frac{\langle \psi | A\ \psi \rangle}{\Vert\psi\Vert^2}\in \mathbb R$ is called [[Hilbert space mean value|mean value]]. - * + === Reference === === Reference === Wikipedia: [[http://​en.wikipedia.org/​wiki/​Self-adjoint_operator|Self-adjoint operator]], [[http://​en.wikipedia.org/​wiki/​Observable|Observable]] Wikipedia: [[http://​en.wikipedia.org/​wiki/​Self-adjoint_operator|Self-adjoint operator]], [[http://​en.wikipedia.org/​wiki/​Observable|Observable]]