nh,)n gi:i lri '1'. t)ucmg s ph<.'u nh;l1l gi:.i Ir! '0' se suy ra dll'i.l'ng \. phai nh;)n gia Ir; 'I'. -IJICU nil)' (!<l.n t6i mill! lhuan \'6i kct lU<:1ll \'lra nkln (llrqe "oi duCing e. Chung la ~i: nh,)11 dUQ'c k6t qu,t wong tL.r ne'u ch(:m dui:mg tru),cn f) hi ctLf(\ng d:ln lli qua dc ctuang truyen lin hi~u d-e-!" do linh ct6i xLrng ella nwch. NCLl 1(1 clWII ddng thai Yi¢c lruycn D qua CLI hai dU'll"llg iI-h-I' vit t!-c-(' thl nlnr da chi ra Ir01l hlnh R.19. hai duang lill hi¢u can h.li ella phCin Ill' (;6 sc clll1g nhi}n gilt trj '1'. Dicu n~ly sc dan tai hai duo'ng II \'(t \. se d6ng Ihai nh~1t1 gi'l tr! 'I'. ~hu v(ly y6i h(l gi:i tr! chlu ,,010 x:;:: y :;:: II :;:: \' :;:: '\ ' chlll1g la se truycn dU0c giCI Iri D loi (Hu ra cLla Ill,.tch, hay n61 c(lch kh(IC el1LlJ1g la se phat hi~n c1w;1e loi alJ "oi \'ccto gia Irj c1~11l vilo (,r, y. II. \. ):;:: ( I, I, I, 1 ). 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(W i l1 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. 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 , h Y c e 9 G2 r, '-L:::':~ G1 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 s-(/-(} Il"en dm:mg II lifO su d~1l1g thuttl toan D. 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 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: 272 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 \'uo tren phtin ttl" G 1 cho 101 C = '0'. Nhu V[IV bt) giC\ If! thl!' nghi~m phal hi~n l,)i h/O EI x = L y = O. 11 = I, \' = 1. Chung la xel tl(p VI dy lim YccW gl<l If! Ihu Ilghl~lll phal hi¢n k)i hil!l~ ,,(j <;-01-0 tren duo'll,!; fjj() d6i vO'i m',lch Irell hlllh 8,20. I. ill. DU()"[jg lill hi¢u I dU\K gaJ1 gia tr! l), h~ll1g dai rallh gi6i j) han g6m I G3]: 2. Bl. Vlli giG Ir~ dU()'llgj btuIg 'I', phCpl()(in x~ie dinh cttU.l \':10 eho la "i.1 tri Iren c1ulH1!! (' hilll" 'I' V:I suv ra duo'no (' I1h.\n "1,i Iri b.II1" '0': L'. ~ e _ e _~, e 3. 83. /\p dL,ll1g ph':p suy dicn ta I1h,lll duoe gia Iri tn~n c,ic dLTcJng g, Ii. f, I, k,ll nlllr <;au: g = I. h = I. 1= 1. i = I, k = O. n :: 0: 4. B-1 Tlmc hien Iru) '6n f) qua ph;iJ1 tlr (;3, cht:ing la llh~tn duo\' trcn c1uc1ng i gi;l In [) \';:1 tren d gi,i tl"! '0': h:ll1g dO'i r<lnh gilli /) ehCra I (;6 ], 5. il6. Do (hrong lin hi¢u i kh6ng phill EI d:iu ra nCll chung 1<1 quay i<,li hLfO'e B4: 6. B-1 On gi(l If! Ir~n <luling tIn hi¢u k hilllg '0', cho nl-n chling I:> klH'lng Ihc IlllK hlen \'l¢C Iruyen [) qua ph,i.n III (;6. ~hl kh,ie hi:lllg dO'j r;lllh &16i D I/mg, dicu n;\', (!;'m t6i k(1 luflll [l)i.//() 1(1 16i du' thila. Ta e6 the Ih,\y rtlllg :-'If dung IhLl(11 toan f) ehllllg la c{) the ;dc dpill (liH1C m0i b() gia Ir\ Illlr ng:lu¢1l1 l1c tim mqi loi h<'lllg s{) ell the phat hi~11 duue. Them V;IO do. Ihu~lt tmill D ell the \11(1 r(mg: dC CIP dung: <;aug e,ie tnt) hlllll [hi khac. 3, Thu;.)t toan POnE~J ( Palh-Oriented Dcclsinn Making) Twng thu;lt loan I), (tiu tlen gi,i 11'i [) dWK dna t6i deiu 1'a ella mach htlng: pllcp Iru)'en D . au dll dung ph~p ttxll1 xac ctl11h d:iLl \":10 de 11111 gl.t Ir! Iren de deiu <10, Neu h.hi x.le dP1h gla Ir] driu \'aO g.)p 1Il[11l thutlll thl ([lLrc' hi~n quay lui \,~I !l.ra ehl,lll du-i:ing IruY~l1 D kh,\c tere [il Ill' bu6c B7 ella thll~ll tn,ill quav 1'.li bwk 13-1 Trung tnrlJng IH),p g,~p nhlC;u m{IU thUitl1 trong ph('p \.:\c dP1h dfiu \':Il1. Illbi gian ll''lng h(.rp \'Ceto' gl,i tri klClll nghlem t;1ng:, 'v' f duo nhu klli xU:lI hi¢n nillel[ phi.i.n III XOR [rong: nwch. e[le than lac truycn f) kh,\ dlill gian nlurng vi~e <.ip dung phcp IOiin xae d!llh d:iu "an linl'(1ilg h;1 lillie kh(lllg 273 lil,11l1l ,,'Ollg \:1 qu,'i trtnh Illly":'ll IJ ph;ll (jlldY Illl DjClln~IY 1;'1111 cho \'I~T kIll),! Il,'P h(') ~L\ Hi lilll Il~cilll'll1 h;lIl~ liIu:,11 IO,'lll D phdl 11('U 11111 Iltl'lll IlII1'-'lI th('l'i g],IIl Dl; Idll t \ IlJ~'U qua l'lld qu,\ Irinll IruyC:II /) \';1 X,lc djlliI d:lll \'i\(), lIeli Ifllll loi IIltemg IJIlh 11lI(lng lb Ill'U In~ll, lrong. h.y liIu,}1 Ihu,'l'Ilg. slr dung plllWllg pldp PODE'I Tr()ll~ pi1u()ng ph,ip n;IY. khr lime 111l'l1 quay lui 1<1 dlll1~ Illt'l 111'-' didl Lhuycrl n)lLIOc' Chllllg 1<1 c/l Ihe tllllh 11:IY ng,ln g()11 lilll {tiC dieh ehlly,,~n ngLf\I'C nlH( ~,lLI, (ira IhIe'( lilllg Ir('11 dll'(m~ lin IHl'u \'lhi\YII,:\]1 ),.'i,ilri \', T;,11 \'i Irf dLJ'(,iC d'llll! nil;ill li:"tU lien lill dUll'llg lill hi,-'lI .I' lILhiC g,in gl,i If! I', dning 1,llua CIJ(.lll mil! dlfi!ll!; d;-in lh,'o Illf(l-l1g Ill'j (btl \,:10, (il;i II'! llU nll,10 du\!c d;i() h:ill dl qll,1 nhCJ'Ilg phdJlllI h\ll :\X'\L), \'Ol{, ,'\'()l', Tron&- qU[1 lr'll1h diel! CllLlY~11 11~211'IH __ ' Iheo IlIi)1 dU(l'llg, g],i II'! nll;lll dLfne Iruy(:n then hU'{.J'llg ILl' (I<\u ra ella 1l1',ldl I,'ij die d:1lI \:10, ])\) lki (ill] n')'j Illllt-I1g pldn ILl' ell llhi~ll ddll \il,), clllln,::. \;1 l':111 1111'-'1 phdl I Lt',1 dlOn de dLfllllg \':l() tU'lfllg ling \'(l'j de Ill,~lt IL,ra CIH?11. !\Illfll& dlril'll!,! till hl,-'U ! h(lllg du\JC I Lt',1 dH,l1l dlt'lfC dUd \:I() h~lllg doi qu,ly lUI \'i\ ~l' dU(lc ~lr dung Irung qu.:i Irlllh qU~ly Iu!. C:ic IU,)1 Il,rd ehml dll'(\llg till hil'u \:10 C() dallg Illlu ,~,lll: ll,it IL(;ll'lll,lJl~: I) Ll,fd ChUl1 dLt'('jIl~ tldJl ~:lll lLllI \';1(1 nh:l1: 2,1 :<";0u ;.cid III CI'I;III!J;l11 b,-Ill!,! '0', eill-Ill!,! tet IiL) chull dLu'ing IlllyCll 1:1 d,w ra ClICl ph,1l1 III :\'\D 110<'1,,' !'\()R, 0,'('1l f!.i.i Iii ella n!J:lIl h,-Illg 'I' el""l~ I" I"" dh'" d""Jl~ 11U"" I., ,[;,,, '" ell;] OR I,,"'e ;q.'\IJ Tr,-'Il ell ,>(l CU;I lhu tlll' dkh CiJU}L'1l Il!,!lJ('C ll(ll Ir'::'11 \,1 IU<:l1 :a Ilia dl\,lll dU,'ill).! IruY':::IL thu,-II 1(l,il1 ]lOUI·:-"l C(') Ill":' dutl'c IrlIlh I<IY nlm ,>,lll: Thll:11 to,in POJ)Ei'I I, Trollg 1;:1]1 hop e,ic kll. IU<I l'i]()11 Ihi h:lllg '>Ii clWd '>Lf tll,lllt! ,\'-(/-\ trell dw\ng Iln hl,-·u ,\ 1:1111 clIO dw\n!; lin hl":u nit,:111 ~l;i Iri I' - ]()i .1'/1 Trl'Il dll'img ,\ Ihi'::'1 Lljl nil;!]] I)' \'~l dUd \'iIO hill1f!. dl.!1 ral1ll gi(l'l lJ !lilting phjll Itf nh,'111 dU('illg ,I I:un dilu \'~l(), :"J(;u h.h(')!1g 6)]1 It'll lrong I;IP IHlp l<ie Itll. ,-'hllng 1,1 dLI'll.'.' lju,i IJll1h I{lng htl'p hi) .'!i:i 1rl thlf Ilghi\'llL Trl'll dlJ'(\ll!,! lin hl~'lI \, Ihl,fe hiLII Ih,tOI,ic Ihil:1 1:'ljl /)' \';1 X,'IC dmh c,ie gi:i II'! d:ill \';\tl, 'Jell \l!,\1 Itic'n h.]w lI<lllg iIr,\ choll dlft\ll),! d,lll. ~lf dung IU;~II :a, nhCrng rh~\n Ilr clm I'-,Ii si: du'l.)-c dua do h:l!1g ltoi Ihic'l L\p phl.lC \'t,l qU:I Irlllil qU'-ly lUI. ~. Dhi \'('ii nhu'ng. glci tri dilu v;\O nh:uI elll\iC It I' k0-1 qu.'1 liluc hil'l1 tit.\O 1.le Ihie'l h~p D". chung la Illl.fC IlI':n phcp _~uy dil:n. 4. Dt"ii, l1i gia Iri d:lu til'l1 lrong himg dU'i r<-lol1 gi('ii n, chlll1g la 1l1uc hi0n phcp lruYCI1 n. Phiill1lf nh~ln II0'p thm tHlng pilcp tfu)'cn J) nl1;\o gi;i If! f) 1' 11 d;lu \'iIO (hll)'l' dlla \,;lll (till hilllg dU'1 rauh gll)'i n. Tl'llng gu:. Iflnh IfUYCll f). ne'u dn thiel ph;11 I~ra chqn ph:in III Ir0n dUlillg CUll 11l:11l Ulill. Chlll1g ta ,ip dung Ill,)t;lB. Th{)llg II1Lftmg chl'mil la dl liI~ Slr dl,lng ILl;~t B lrong Ihuill loan L> 1;1111 IU(lt Jl3 clla I!lU,:11 to,in PODE]\.l. SilU khi dJ. ILIa chon p1l:in Ill' Irl'11 dU'i1ng Iruy':n [) \l\-j d:iu fa. dc ph:lll tll' c(m h.lt dLflK <ILIa ";10 h2mg dl/i r<lllh gl(li D. Trong tnri:),llg ho'p Ihal) I;IC Iruycn j) l(ji d:iu r kh6ng thc' k0'1 lIllie dU-(.l'L-, chung ta ~U: dt,lng pld.1l Ilf IIC'p Ihen lrong h:Ulg dl)i railit giCl'i D. :"ku hi\l\g d()i ranh giCii D f6ng, 16i dlfl,l'C COl 1:1 j{)i du' IhLla \';1 "i~e IIl~le hl~ll thu.~1 tmin duqe quay li.li bu'o-e 1. 5. TIwc hi~n ph~p suy dien. 6. TIwc hien tliu Il,le dieh ehuy'0'n ngu't,)'c d6i \'6i nhli'ng dUllllg lIn hiL;u I]"cn d6 gi;i If) (Hiu ]"<1 clla de ph[in Ill' duo'c xae dinh cbn C:IC gl:l 11'1 d;i,lI \'~\O chua .,ac dinh. Trong trulmg ilt![l dn thi0'l phai Iva Chl.ll1 elUting tin hi¢u. chung 1<1 Iht,l'c hi¢n I~ra ehqn dllll11g Sll' dt,lng lu,H 9 l\hiIng dui:mg lin hicll d1lra dUlK I~fa dll,lll dLl\iC (1\(<1 \'ilo hill1e: do'j l[uaylul. 7. Tlnl'e hi~'n ph":p suy dlcn, sau klti (1;-1 g;ln cho eic (hill \,;10 ni1Cfllg gla In nk'in Ilh,)n duoc ILr phcp qUil: ILlI. Kicm Ira tinh MIll!:, It'tll ella gi.i Iri cLlu Cllil nhan. t\"c'u kh,'l11g nhilll dL]'(),e gd Iq dting, dlling ta kiL'lll Ira t[nil MIlle: dilll etla 1;1.1 tn ngh!ch (bo. ;-"ku vice kiclll tra glii Ir! ch.) kc't lIU,'1 dllng, Chllllg 1<1 ellllyc'n ~ang hUlk 6 \,;1 ~lr dung lhflillg IIll hl';u d£lu tiC'1l lrung h:lIlg clui quay luI. Trong lru,('-mg. ill)'p "ICC kicl1l Ira eilu \ 0'1 qU,'1 sai. nlHI \',)y thao hie tru)'cn D 16i d;ttl ra kh(lllg thL' lime hl~n (hrq'c, dll'lllg \,[ quay \'C hutl-c l 8. N0'u 16n tai dU(lJIg dm phcp thl,l'c hi¢n bu(fc 6, Chllllg ta t!llrc hl~'!l L ,'[\ bu6c 6 \"i:t hLl6e 7. 9, NL"U gi,.i Irj 1) \Cl'i duo'c (ttu I"i\, hl~ gia trj lUU \'tlO nhrlll l1u\1c s0 hi \'ccto' gl<l tri Ihu Ilghi~l1l d~ pilal hi0n ltji sll' \'tl eilllllg la quay L_.li 275 . ctuang truyen lin hi~u d-e-!" do linh ct6i xLrng ella nwch. NCLl 1(1 clWII ddng thai Yi¢c lruycn D qua CLI hai dU'll"llg iI-h-I' vit t!-c-(' thl nlnr da. s-( /-( } Il"en dm:mg II lifO su d~1l1g thuttl toan D. L BL L~ra ehqn li'1i hi!) trong danh "lleh (ii; glin eho (1ui:1ng II gi,-l Iri D. elC ph '-Ill. huoc B-l-; 6. B4. Th~rc hi¢n Ihao IllC Iruyen 0 qua phrin tll" (n, dLf()"l1g lin hi~u p &apos ;-; (: nh,~n gi{i Ir! 0 ,ZI dU'ong tin hi¢u /I ph:li nh ,-~ n giCI