Postselection
id:
postselection-295-17658597
title:
Postselection
text:
In probability theory, to postselect is to condition a probability space upon the occurrence of a given event. In symbols, once we postselect for an event E , the probability of some other event F changes from Pr [ F ] to the conditional probability Pr [ F | E ] . For a discrete probability space, Pr [ F | E ] = Pr [ F ∩ E ] Pr [ E ] , and thus we require that Pr [ E ] be strictly positive in order for the postselection to be well-defined. See also PostBQP, a complexity class defined
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wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/Postselection
date created:
date modified:
2022-07-05T02:43:42Z
main entity:
{"identifier":"Q7234498","url":"https://www.wikidata.org/entity/Q7234498"}
image:
fields total:
13
integrity:
13