L Phuong phap 1l.m trcn sl! kich hoat du(mg tru),cn
2.Thu(lt toan D
Thu,}t tmin D I} phuong phap thU(lt tmin dilu lien dung de tlm de \-((to gia tf! kicm nghi~11l de ph:it hi¢1l de loi htlllg s6 dva tr01l phucing philP kich hm.11 ctuang truyell. Tr0n khia Ci,lnh \'(~ kh,\ nang X,\C djnh cae veeto' giCI tr! klcm nghi¢1ll tllll ra 111C)i leli co the pluit hi¢n dU0e. vfln d6 quan Ir<:mg nh~ll EI nguyen I)' truycn 0 thea nhicLi duo'ng Mm khCK nhau. ~eu xet then khfa c<.mll vc phuong phap t6ng hqp cae vccta gia tri kit~m nghiem (hI vAn de qllan tn.1I1g Iii c,ln phlli ke't hop qua trlnh Iruyen D V(I quay lui nhl!' the n~lo, ChLIllg ta Sl' xcm xct m(ll sO' di~m quan trQllg.
N0'u melt s6 clLfong tin hi~u trang m:.lch hi n~ n11<.ll1h, khi el6 Irollg lIu,i. trll1h Iruycn f) chung {a se phui IlJa clU;Hl clm\ng tin hi¢u dd IrLl)'15n gla tri D 16i (![iu ra ella m'.lch.
T(lp hqp dc phftn tlt qua d6 co khi.l n[lIlg Iruycn gi:1 Iri {) (1(re Iii nhiIllg pldn tlt \'6i dau dlo ell thC: nh(\Il eilc gia tri D hO;lc IJ dll1 gi,\ tr\ diiu ra ehuu xile c1jnh) gQi I~l runh gi6i D. Ranh gi{1i D thu'img ULflJC bicu dien btmg hang c1Q'i. NhO"ng philn llt co khi\ n[ll1g truyen D Sl' dL!'<jc dLra \'liO ctitu hi\llg ctqi. Khi phjn tlt do kh6ng can kh,\ n[mg t1We
hicn qua trlnh truyJn D Ihl sc lL.ra chQn pheln tlr 11i.':'p Iheo trong hilllg
dO"i.
I)hcp lo.in quay lui trong lhu.}t 100In D gt.li 1;1 ph-:p tmin :\,IC cI!llh It.i.U
V;IO. D~ X<.lc d!nh gi.i tr! d.e (Ull do clia nhl}ng phiin Ilr ehua du"<.)"C xlf 1)', lrong p110p to.in dc d~nh (Ull \";10, chung la str (lL.mg phuong ph.ip I~ra chon nH)l e,\eh iu:in tu nhCrng tt~ h9P c6 the ('t) ella (till \";\0. l'\ClI
Irong khi lL.ra ch(}n 1<1 Ihic'l [;)p ll1l)1 ll1lle dt) lfu lie]], '"'-hi do 1'1 Slr dung nhlrng nguyen lite IHong lfng ,,6j [Ll.\! eht.l]\, nhCfllg k.h.j n{lIlg [ll'l elll)ll
elll[a SlI clL.lllg (10'n cluoc lUll Lrang m()1 hi:mg d~)'i gOI El hi:lIlg dO'i ""~Ie dinh (hiu \"~I().
Trell cO" Sl)' elta nhung nh,:1Il xcI lren. Ihu,JI Lo,in D dJ Ihe hicu dl.':n qua dc bu{)"C n[lll" S;IU:
ThWl! lo,tn D:
I. Trong I;)p hQp dc [(':Ii. chung la Il.ra clH.lll m(JL 16i htlllg s6 .\"-(/. \. dura kh.-Io s,il. L6i nilY Ihic'l Wp gi,i tri \. tren dui:l"ng lin hi¢u s ";1 k)' hieu IiI
sil". Kh6i D lu'tlng lfng vO'j k')i trell dU0ng s k~' hi¢ll IiI IY ( 1L'\e [il Ii'
tLfO'ng (mg \"6i gi;i Irj D con /)' tuo'ng ung vl)'i jj). Ph.ln Llr C() d.-ill \'ilO
1l6i n'J'j dLri\ng tin hi¢ll S dU~1C dua \'ilo hang d(,1i ranh gl6i f).
2. D6i \"(l'i k.h6i D, Chllllg la x<.\c djJlh giil. Irj Gie drill \-;10 SL'[ dung th:lll
tac thl6t I.)p D. Nc"u trung truang [10]1 ni'ty dn rh<'ll 11.l'a chon Lllr(mg. truyJn 0, Lbl chllng ta [l.ra ehqll dUll'llg lruy~n theo Itl.1t A:
270
Lu.-lt A: {roll,Ii qmi {I'll/Ii {mY/II f), nil' dlli'illg {ill lri~;11 ,<";(/'II ,,(ii ('(f(
If(/II \'(io .w; dli'(!"(" 11.11/ ('1!(!1I {I-,((ic.
Cic du(mg tin hl¢u kh6ng du\l'C I~ra Chr:ll ellll ['.li "C' dll\J"e dua \'il0
h;ll1g drii tbic't [;)[1. Trong tnfi:J"ng hqp k.b(lllg nh.ln dlfl.lL nhu'ng gi,i Ir! d,lu \,;10 .\,ic dplh. 1t')1 dul,')'C COl [~I du' lhll'.l "il qLt;IY \ C bU('il' I.
~, Tlnfe hi¢n ph~p suy di.':n d6i \'{J"j (ILri:mg. Illl hi¢ll Irollg 1l1',lch U) Lhe Iham gia \'~IO qu,i tllllh Ihie'l [~Ip \'~I lruycn D. Ne'u xu;YI hi~ll lll:ILl Lhu{1Il gilra e.ie gi~ Irj nhr\ll dU9'e ella de dui:mg Lin hl('u tro\l~ 'ILl.i Ldnb Lnly~n f), Ibl clUing ta ngil'ng 'Ill,i trlllh Lnly~ll f). !~fa eholl )!i;i Irj (tiu lien IHlng h~\llg (tqi x,ic dinh tnr6c vii quay n:: hU{ie 2.
--1-. T[llfe hi~ll ph0p Iruycll lJ dcii \'(l'j gl.i If! d,IU licn ella hilllg dt.il wllh
gi6i 0. D(:ii v6i ph:in Ill' ti0p theo 1,.11 nh;}n gi.i II! D IIC'n (I;\ll \'i\O V~l cllljllg 1<1 I'.ll Ilu/e lu¢n pb~p [;1lI lruYCll [J qua phan Ill' n:ly. Cae (bll \'~10 eua ph'lll ILl' sc dU(.K Iva clH.ln gi.1 Irj. Ncu dn Lhict ph.ii It.ra C[H)ll phrin Ill' dc dU\1C lruycn f). ehllllg La slr dl.lng IU(lt H:
LmH B: Ctic plu/II {If gdn l'(fi IJ{I((I/g (1£ill ra nhJt St' (11((1(' {~{(/ ch~1/I {mil( (it'll (mllg {{lUI Trinh lall (rt(Wil1 giti (r/ D (/Ii ddl/ /"U.
Nhlrng phun tll' kh6ng dU(je ehQn con h.l! <.hIC:J"C uua V~IO h~l11g do·i. N(u kh6ng the thl!C hi¢n phep truy6n f). chung ta IL.ra chon gi;i Ifi bem delU ticp Ih..:o. Neu hang c1q·i ranh gi6i D ding. chling la cho nlng 16i dang xci dWH.; coi Iii lui du Ihlul va quay ve buoe I.
5. TIwc hl¢n phep suy dien d6i wii t[it d nhil"ng duong truyen c6 Ih~ co. Neu xu[it hi¢il mew thll[\Jl trong qU{1 lrtnh truycn 0 V~I quay lui. chung fa quay li..li bu·6c 4.
6. NC'lI Iheo kl't qu;t cua qUi.i trinh truyen IJ. giA lr( 0 hO(lc jj d;ll dlf~"iC
t6i dAu ra, thl chung 1<.1 ly:a dwn tiep phan tLl" sau clIa h:Ulg dqi ranh gi6i D. l\eu khong lLfa dwn <.hrC)"c pi1[ill tll nao, chung 1a sc quay ve bu6c -+.
7. Ap dl,lIIg ph~p Imin xuc d!nh d[iu VlIO doi voi t[it c,i c<.ic ph.ln 111 (() cLlu ra dil xac dinh va c6 dc chiu vao d1l.ra dUQ"C Xii<.: djnh vt. IVd ChOIl nhUng gia Ir! d;iu vito dung IUi}t A \"a hllllg d\1i phcp lo:in xac d!nh d[iu \':\0. Phcp toan nay dLf()"c tlu.fc hi~n 1~lr lai lien hc·p khi kh6lJ{!. g(lp !Hau thu[lI1 lrong gia Ir! d.c d[iu "ao ella llwch. N6u nh(lll (hl'()"c 1~lp hQ"p khong r<'Jng cac giJ Irj (tiu vao, thi chung ta coi uie \,":CIO gici Irj c1[IU vao do do la n:eto gia Irj kicm nghi¢m d~ ph.:il hi¢n 16i sil· vii sau do quay \'6 blf6c 1. Trong lru·ong hqp phlSp loan de d~nh d[iu vila kh6ng the tiUK hi¢n duC)"c. Ihl chung 1a quay n~ hu6c -t. (adsbygoogle = window.adsbygoogle || []).push({});
Trong Ihu(lt loan D dW"fc m6 Ii.\ l1lrcn. cac IU(11 A V:I I3 chi xac dinh trinh I~I" ll!a cl19n du·o-ng lin hicu v(1i dlc ph[in IV ii0n quan va kht'Jng dong \·ai trb quan tn:mg.
Til hity .'i.CI \.( cJ~1 ll1~\Ch trcn hinh 8.20: b
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IILllh 1t20. VI' du I11l1lh 1l()~.1
lhu;11 lO~ill n doi Y(1i mach 1::6 chltil 161 hang V) h.hi xu:11 hil'll kil h/O.
Chung tn xac ctjnh vccto giti tfj kicm nghi~m de phtit hi~n 16i h~ll1g .,,6
L BL L~ra ehqn li'1i hi!) trong danh "lleh \(ii; glin eho (1ui:1ng II gi,-l Iri D. elC ph '-Ill Ill' noi voi dlrdng II I~I G4 vh G5 dU'eyc dlra vuo hll11g dqi ranh gi6i n. Do ph[in Ill" G5 gan driu ra hon phan tli" G4 nen sc dU'q-c
IlJa chql1 Iru6c trong qUli trinh truyen D theo lU~I\ II nen hll11g dq-i
mnh gi6i D I~l r G5, G4 1;
2. In. De dllong II c6 gia trj '\', chung ta din ph,-li C() hOlJc dlfong h
nh:m gi,-l. Ir! 'J' ho:~e dUNng g nh~U1 gill tri '\'. Thco lu,~11 A. dU<iIlg h
g[in v6i dfill \":10 hO'n n~1l Ime'le lien chung ta chon gl;l Iri (hf()ng h
hfHlg 'I':
h = 1 :::::? b = \ v g = \; b gfin dilu viw ho'n. ehql1 b = I;
Do c1uong b IZt dlft"mg lin hi¢u vao nen chung t,1 khcmg dn tlll,Te 11I¢n
hllac B3 ella thu~t lo,in D m:1 chuy~n sang Ihue 11I¢n bll6c B4:
3. B-l. Tlll;K hiGn thao tllC truycn D qua phtin IlT G5. (li.:'\ Irj 0 ,,0 xu:;1 hi¢11 tren dlf[J'ng tin hi¢u 1/1 VlI Iren dllong (/ tfn hi¢u ph,ii nh,-~n gi:i Irj '\'. Do ph<1n tlT (;7 grin v6i dau ra hon so vai phrin tlf (;4 nen ph:ill tl\" (;7 sc (1U\1C dlf:.t \',10 Miu hang deyi ranh gi6i D. Hang dqi ranh gi(Ji D sc btUlg \ (;7. r;4 1;
4. Wi. Thvc hi~n phcp suy dicn chung ta nh(1I1 ctuq"c gi,i 1r( LJ Ircn ctu'ong tIn hi¢u k;
5. 136. VI uuong \tn hi¢u m kh6ng ph:ii la drill ra clla \H,.teh nen quay h.li
huoc B-l-;
6. B4. Th~rc hi¢n Ihao IllC Iruyen 0 qua phrin tll" (n, dLf()"l1g lin hi~u p '-;(: nh,~n gi{i Ir! 0 \,ZI dU'ong tin hi¢u /I ph:li nh,-~n giCI II'! '()'. DUlmg tIn nh,~n gi{i Ir! 0 \,ZI dU'ong tin hi¢u /I ph:li nh,-~n giCI II'! '()'. DUlmg tIn hi¢u piLI dliu ra clla 1l1'.lch:
7. B6. VI glJ. II"! D dUCK lruycn fa dllU ra clla 111'.ICh ta ehuYl~l\ t('il 111<10
I:k "'(IC dlllh li6p sau:
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8. B7. Trcn dU'cmg iruycn /I Iii dcii IU\1ng clla phcp Imin ,,-Ie dinh ltlll do cho pll<111 ILl" (;7. ta co dU'{1ng /I pb,-!i nh~\ll gill If! '()'. Di6u n;l)' SC suy r,1 Iren ph[in 111 G6, dl1t'mg lin hi¢u.i phiii nh:)n giCI If! '0' \'\ dU0ng tIn hicll k (tl nh'-)ll gia Ir! 0 do phcp suy dicn qua ph,in Ilr G4. TlllfC l\lcn than tac "ic dplh driu V;IO d()i \'6i phfin tl1 G(l V;I gia trj throng tIn hicu.i htllig '()', chung t<l nh,~n uW1c nh[rng 10 hop giC\ tr\ clla c<.ic dUl"Jng tin hi¢u d,f III ( 1,0): l1. 1 ); (0,1 ).
Nell hra chqn d = ' I '.f =. '0' suy fa c = '1' \'a phcp loan de dinh driu