1.5 ( ) " " 2 2" " : .. -51 .. : .. :_________ , 1995. - 2 - 2 , . : 1. ; 2. ; 3. ; 4. .. - 3 - _2 1 _2 ̠1 -W46 ?????????????750?????????????????? ??????????????? ? x410 7^0? W410 7^420 W430 430? y W450 44 4??0?760O O???????????????760O?????????????760O??76 ? W410 7%0? X420 7% ?????????????????????????????????????????????? -W44 410 4_ 10 4_ F4ij0 = ? 7S0 G5k4ij 0D4k0 = ? G5k4ij 0D4k 5D0 5k D i = 1, j = 4. 2A ? 0 W410+W420 0 0 ? 2A = 0 ? 0 0 W430 -W440 ? ? -W460 0 0 W450 ? ? 0 0 0 0 ? ? 1-a4110 4 0 -a4210 -a4310 ... ? 2T0 = ? 2U - A5T0 ? = ? -a4120 1-a4220 -a4320 ... ? ? -a4130 ... ? ? . . . . ?0 _2 1.0. i (1) j (4) G5k41,4 G510 = (1-2-3-4) = (a4120,a4230,a4340) G510 = (W41+0W420)W430W45 G520 = (1-2-4) = (a4120,a4240) G520 = -(W41+0W420)W44 _2 2.0. C5k C510 = (1-2-3-1) 4 0= (t4120,t423,0t4310);4 0 C510 = (W41+0W420)W430W46 _2 3.0. S(C5k0) S(C5k0) = (-1)5I(Ck) I(C510) = I(2,3,1) = 2 => S(C510) = +1; _2 4.0. D D = 15 0+5 7S5 7S5 0()k770P4km 5m k P4k10 (m=1): P4110 = S(C510)770C510 = (+1)770(W41+0W420)W430W460 = (W41+0W420)W430W46 P4ki0 = 0 ( i>1) D = 1 + P4110 = 1 + (W41+0W420)W430W461 4_ _2 5.0. D4k 4_ D410: ??????????? 7^410 ?420 4 0 43 0 4 0 44 x4????????760x4?????????760x4??????????760x4 0 = 4 7' ? 7% ???????????????????????? 4_ D410=1 4_ D420: ??????????? 7^410 ?420 4 0 43 0 4 0 440 43 x4????????760x??????????O???????????x4 0 = O ? 7% ?4??????????????????????0? 4_ D420=10 _2 6.0. F414 4_0 4_ G51414770D410 + G52414770D420 (W41+0W420)W430W450-(W41+0W420)W440 (W41+0W420)(W430W450-W440) F4140 = ????????????????? = ????????????????????? = ???????????????? D 1 + (W41+0W420)W430W460 1 + (W41+0W420)W430W46
     

 

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