Qhov tshwm sim ntawm qhov tshwm sim ntawm qhov kev sim tsis yog qhov tsis zoo , txawm hais tias quasiprobability quasiprobability Tus Wigner quasiprobability distribution (tseem hu ua Wigner muaj nuj nqi lossis Wigner-Ville kev faib tawm tom qab Eugene Wigner thiab Jean-André Ville) yog kev faib tawm quasiprobability. Nws tau qhia los ntawm Eugene Wigner hauv 1932 los kawm txog kev kho quantum rau classical statistical mechanics. https://en.wikipedia.org › Wigner_quasiprobability_distribution
Wigner quasiprobability faib - Wikipedia
Kev faib tawm tso cai rau qhov tsis zoo, lossis quasiprobability rau qee qhov xwm txheej. Cov kev faib tawm no tuaj yeem siv rau cov xwm txheej tsis pom lossis muaj xwm txheej tshwm sim.
Puas muaj peev xwm ib txwm zoo?
los ntawm txhais qhov tshwm sim qhov ua kom muaj nuj nqi yog qhov ua rau muaj kev faib tawm. Tab sis kev faib khoom muaj nuj nqi yog qhov ua haujlwm nce ntxiv ntawm R yog li nws cov txiaj ntsig yog ib txwm zoo. Nco ntsoov tias qhov tshwm sim qhov ceev ntawm X yog -ve nyob rau hauv lub caij nyoog (a, b). … Tab sis los ntawm kev txhais, qhov tshwm sim yuav tsis muaj qhov tsis zoo.
Yuav tshwm sim ntawm ib qho xwm txheej tsis zoo?
Nyob ib leeg xov xwm tsis tuaj yeem tsis zoo.
Yuav ua li cas vector yuav tsis zoo?
Nyob rau hauv lej thiab kev txheeb cais, qhov yuav tshwm sim vector lossis stochastic vector yog vector nrog tsis-negative nkag uas ntxiv rau ib qho. …
Tsis zoo 1 sawv cevyuav ua li cas?
Tus tub kawm nkag siab tias tus lej tsis zoo tsis tuaj yeem sawv cev qhov tshwm simtab sis hais tias: Txhua tus lej zoo lossis tag nrho cov lej tuaj yeem ua tau. Cov lej ntau dua ib qho tuaj yeem ua tau thaum tus lej tsawg dua ib tsis tuaj yeem.
