About: Hadamard test (quantum computation)

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In quantum computation, the Hadamard test is a method used to create a random variable whose expected value is the expected real part of the , where is a quantum state and is a unitary gate acting on the space of . The Hadamard test produces a random variable whose image is in and whose expected value is exactly . It is possible to modify the circuit to produce a random variable whose expected value is .

Attributes	Values
rdfs:label	Hadamard test (quantum computation) (en)
rdfs:comment	In quantum computation, the Hadamard test is a method used to create a random variable whose expected value is the expected real part of the , where is a quantum state and is a unitary gate acting on the space of . The Hadamard test produces a random variable whose image is in and whose expected value is exactly . It is possible to modify the circuit to produce a random variable whose expected value is . (en)
dbp:wikiPageUsesTemplate	dbt:Reflist
Subject	Quantum computing
thumbnail	wiki-commons:Special:FilePath/Hadamard_test_measure_real.png?width=300
foaf:depiction
prov:wasDerivedFrom	http://en.wikipedia.org/wiki/Hadamard_test_(quantum_computation)?oldid=1074317033&ns=0
Wikipage page ID	54133307 (xsd:integer)
page length (characters) of wiki page	4530 (xsd:nonNegativeInteger)
Wikipage revision ID	1074317033 (xsd:integer)
Link from a Wikipage to another Wikipage	Aharonov–Jones–Landau algorithm Quantum computing Quantum algorithm Quantum computing Quantum logic gate Qubit Chernoff bound Complex number Image (mathematics) Expected value Random variable dbr:Amplitude_estimation
has abstract	In quantum computation, the Hadamard test is a method used to create a random variable whose expected value is the expected real part of the , where is a quantum state and is a unitary gate acting on the space of . The Hadamard test produces a random variable whose image is in and whose expected value is exactly . It is possible to modify the circuit to produce a random variable whose expected value is . (en)
foaf:isPrimaryTopicOf	http://en.wikipedia.org/wiki/Hadamard_test_(quantum_computation)
is Wikipage redirect of	Hadamard test
is Link from a Wikipage to another Wikipage of	Aharonov–Jones–Landau algorithm Hadamard test
is foaf:primaryTopic of	http://en.wikipedia.org/wiki/Hadamard_test_(quantum_computation)

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