La DFT
December 5, 2022 | Author: Anonymous | Category: N/A
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V ROD]IHRNOFO AO VROD]IHRNOF O FJ]MRGVO FG IHWRJGR
JDVRHFWMMJÝD Oudqug aos trodsihrnofos fg Ihurjgr, Aopaomg, y [ shd `grronjgdtos odoaîtjmos qug sg gnpagod todth gd ga prhmgsofh fg ao sgÿoa mhnh gd htros fjsmjpajdos, sgrï fjsmjpajdos, sgrï rgoangdtg ao FIV ao trodsihrnofo qug nodgkorgnhs gd prhcronos fg mhnputofhro toags mhnh NOVAOB. NOVAOB.
Fg `gm`h, iug ga fgsorrhaah fga oachrjtnh fg ao trodsihrnofo rïpjfo fg Ihurjgr (IIV), qug moamuao fg ihrno gijmjgdtg ao FIV ah qug aodzh oa prhmgsofh fjcjtoa fg
sgÿoags nhfgrdh.
\RH\JGFOFG] \RH\JGF OFG] FG AO FIV Oudqug aos prhpjgfofgs fg ao FIV prgsgdto mjgrtos sjnjajtufgs mhd aos fg htrhs fhnjdjhs trodsihrnofhs, tonbjêd vonhs o gdmhdtror dhtobags fjigrgdmjos fgbjfh o ao doturoagzo ijdjto y fjsmrgto fg ao FIV FIV..
\ugsth \ugs th qu qug g ao FI FIV V gs dugs dugstr tro o pr prjd jdmj mjpo poaa `g `grr rron onjg jgdt dto o fg mï mïam amua uah h, fg fgbg bgrg rgnh nhss mh mhnp nprg rgdf dfgr gr sus prh prhpjg pjgfo fofg fgss y ao rga rgaom omjý jýd d qu qug g tjgd tjgdg g mh mhd d htro htross tr trods odsih ihrno rnofo foss gnpagofos gd ga prhmgsofh fg sgÿoa.
Ao FIV sg fgi fgijd jdg g mh mhnh nh udo hp hpgr grom omjý jýd d shnb shnbrg rg ud vgmth gmthrr fg D pu pudt dths hs , muyh rgsuatofh gs htrh vgmthr tonbjêd fg D pudths;
{ < ,, ? ,,,… ……,, ??} −
U^−/
Ao hpgromjýd odtgrjhr pugfg jdtgrprgtorsg mhnh ao trodsihrnomjýd fg udo sgmugdmjo , fg D pudths, mhd nugstros gd ga fhnjdjh fga tjgnph, gd htro sgmugdmjo , osî
U^
U^
njsnh fg D pudths, mhd nugstros gd ga fhnjdjh fg ao irgmugdmjo. Ao gxp xprg rgsj sjýd ýd to tonb nbjê jêd d pu pugf gfg g vgrsg grsg mh mhnh nh ud nug nugst strg rgh h gd ir irgm gmug ugdm dmjo jo fg ao trodsihrnofo fg Ihurjgr Ihurjgr,, , fg ao sgmugdmjo .
( )
U^
Odtgs fg mhngdzor gs dgmgsorjh mhngdtor brgvgngdtg ao fjigrgdmjo qug gxjstg gdtrg ahs têrnjdhs FIV y IIV;
Ao IIV (trodsihrnofo rïpjfo fg Ihurjgr) gs sjnpagngdtg ud oachrjtnh qug rgoajzo fg ihrno nuy rïpjfo ga mïamuah fg ao FIV, y phr todth dh sg troto fg udo dugvo trodsihrnofo.
Gd NOVAOB sjgnprg gnpago ao iudmjýd iit nodgro poro moamuaor y dh phfgnhs gdmhdtror djdcudo htrosgiudmjýd aaonofo fit5 f g poro sjnjaor,ao ao FIV iudmjýd jiit sjgnprg sjgnprg sg gnpago poro moamuaor ao FIV jdvgrso. \hr todth, phfgnhs mhdsjfgror omgptobag gnpagor jdfjstjdtongdtg ahs têrnjdhs FIV y IIV poro rgigrjrdhs oa rgsuatofh fga mïamuah.
\RH \RHZGMV ZGMVH H ?. GKGN\A GKGN\AH] H] FG AO AO FIV FG ]GßOAG] BÏ]JMO]
Gd gstg prhygmth sg hbtgdfrïd aos FIVs fg aos sgÿoags nïs `objtuoags.
Mhd Mh d NO NOVA VAOB OB rg rgsu suaato sg sgdm dmja jaah ah rg rgpr prgs gsgd gdto torr cr crïi ïijm jmon ong gdtg dtg ao aoss sg sgÿo ÿoag agss y su suss trodsihrnofos5 phr todth dugstr trodsihrnofos5 dugstrh h hbkgtjvh sg mgdtro gd vjsuoajzor ud bugd dûngrh fg porgs fg trodsihrnofos, prgsgdtodfh gspgmjoa otgdmjýd o aos sjngtrîos qug pugfod oporgmgr.
Vhfos aos sgÿoags gnpagofos poro trobokor mhd ao FIV shd fjsmrgtos, phr todth, fgbgd fgbg d rgprgsg rgprgsgdtorsg dtorsg gnpagodfh ao iudmjý iudmjýd d stgn fg NOVAOB5 aos FIV fg fjm`os sgÿoags tonbjêd shd voahrgs fjsmrgths, fg nhfh qug su rgprgsgdtomjýd sg rgoajzorï mhd ao njsno iudmjýd stgn. Vgd gdjg jgdf dfh h gd mu mugd gdto to qug gd ao FIV pug pugfg fgd d op opor orgm gmgr gr dûng dûngrh rhss mh mhnp npag agkh khs, s, sgr sgrï ï dgmg dg mgsor sorjh jh gd num` num`hs hs mo moshs shs rgp rgprg rgsg sgdto dtorr ph phrr sgpo sgporo rofh fh ao po portg rtg rgoa y ao portg jnocjdorjo.
Φ=
Gkgnpah; Gdmhdtror y croijmor ao FIV fg ao sgÿoa
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