L-15-Spring2018 (826552), страница 2
Текст из файла (страница 2)
஥ªâ¨¢®¥ ¯à¥®¡à §®¢ ¨¥ ¯à®¥ªâ¨¢®© ¯«®áª®á⨠§ë¢ -¥âáï ¯à®¥ªâ¨¢®- ää¨ë¬, ¥á«¨ ®® ®â®¡à ¦ ¥â ¥á®¡á⢥ãî ¯àï¬ãî ᥡï. ª ç¥á⢥ ¯à®¥ªâ¨¢®© ¯«®áª®á⨠¡ã¤¥¬ à áᬠâਢ âì ¯®¯®«¥ãî ¯«®áª®áâìá ®¤®à®¤ë¬¨ ª®®à¤¨ â ¬¨ x1 , x2 , x3 , ¯®à®¦¤¥ë¬¨ ää¨ë¬¨ ª®®à¤¨ â ¬¨x, y . ¥á®¡á⢥ ï ¯àï¬ ï §¤¥áì ¨¬¥¥â ãà ¢¥¨¥ x3 = 0.¥®à¥¬ 15.1. «ï ⮣®, çâ®¡ë ¯à®¥ªâ¨¢®¥ ¯à¥®¡à §®¢ ¨¥, § ¤ ®¥ ä®à¬ã«®© x1c11λ x2 = c21x3c31c12c22c32 c13x1c23x2 ,c33x3(15.11)6¡ë«® ¡ë ¯à®¥ªâ¨¢®- ää¨ë¬, ¥®¡å®¤¨¬® ¨ ¤®áâ â®ç®, ç⮡ë c31 = c32 = 0,c33 6= 0. á类¥ ¯à®¥ªâ¨¢®- ä䨮¥ ¯à¥®¡à §®¢ ¨¥, à áᬠâਢ ¥¬®¥ ¬®¦¥á⢥ ᮡá⢥ëå â®ç¥ª ¯à®¥ªâ¨¢®© ¯«®áª®áâ¨, ï¥âáï ää¨ë¬ ¯à¥®¡à §®¢ ¨¥¬, ¨¬¥î騬 «¨â¨ç¥áªãî § ¯¨áìµ ¶ µa11x1=a21y2a12a22¶¶µ ¶ µxa13+ a,y23(15.12)£¤¥ aij = cc33 . á类¥ ä䨮¥ ¯à¥®¡à §®¢ ¨¥ ¯à®¤®«¦ ¥âáï ¤® ¯à®¥ªâ¨¢® ä䨮£®, ¨¬¥î饣® «¨â¨ç¥áªãî § ¯¨áìij x1a11λ x2 = a21x30a12a220 a13x1a23x2 .1x3(15.13)®ª § ⥫ìá⢮.1) ®çª (1 : 0 : 0) ¯¥à¥¢®¤¨âáï ¤ ë¬ ¯à¥®¡à §®¢ ¨¥¬ ¢ â®çªã (λc11 : λc21 :λc31 ), ª®â®à ï ¡ã¤¥â ¥á®¡á⢥®© ¯à¨ ãá«®¢¨¨c31 = 0.
«®£¨ç® c32 = 0. §¥¢ë஦¤¥®á⨠¬ âà¨æëc11C = c21c31c12c22c32c13c23 c33¯®«ãç ¥¬, çâ® c33 6= 0.2) ᫨ ¯¥à¢®¥ ¨ ¢â®à®¥ ¨§ à ¢¥á⢠(15.11) à §¤¥«¨âì âà¥âì¥ (¯à¨ ãá«®¢¨¨c31 = c32 = 0, c33 6= 0), â® á ãç¥â®¬ x = xx13 , y = xx23 ¯®«ã稬 âà¥¡ã¥¬ë¥ à ¢¥á⢠,ª®â®àë¥ ®¯à¥¤¥«ïîâ ä䨮¥ ¯à¥®¡à §®¢ ¨¥, ¯®áª®«ìªãµµdeta11a21a12a22¶=c11 c12c21 c22c233¶=det C6= 0.c2333) ८¡à §®¢ ¨¥ (15.13) ï¥âáï ¯à®¥ªâ¨¢®- ää¨ë¬ ¨ ï¥âáï ¯à®¤®«¦¥¨¥¬ ä䨮£® ¯à¥®¡à §®¢ ¨ï (15.12), ¯®áª®«ìªã à ¢¥á⢠(15.12) ¯®«ãç îâáï ¨§ ãà ¢¥¨© (15.13) ¤¥«¥¨¥¬ ¯¥à¢ëå ¤¢ãå ¨§ ¨å ¯®á«¥¤¥¥.¥à¨ä¬¥â¨ç¥áª ï ¬®¤¥«ì ¯à®¥ªâ¨¢®© ¯«®áª®áâ¨.à¨æ¨¯ ¤¢®©á⢥®áâ¨à¨ä¬¥â¨ç¥áª®© ¯à®¥ªâ¨¢®© ¯«®áª®áâìî §ë¢ ¥âáï ¬®¦¥á⢮ P í«¥¬¥â®¢¤¢ãå த®¢, §ë¢ ¥¬ëå ᮮ⢥âá⢥® ý à¨ä¬¥â¨ç¥áª¨¬¨ â®çª ¬¨þ ¨ ý à¨ä¬¥â¨ç¥áª¨¬¨ ¯àï¬ë¬¨þ.
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