Аналитическая геометрия и линейная алгебра. Умнов А.Е. - 7 стр.

UptoLike

ВУЗ: 

МФТИ | Москва

Составители: 

Рубрика: 

{mË ËÓÒË

 mº ÒÏËÎÈÓÒË }ºÓÁãÒ}ºm ã« ººÏÓÈËÓÒ® ãÒÓ È°ºãÓ©² mËãÒÒÓ
äºãË®ÒÓº¯äÒ°¹ºãÏ°«ºÒÓȯөËm˯Ò}Èã Ó©Ëº¯ÈÓÒÒËãÒÓÈ
¹¯Òä˯
D
→
mºm¯Ëä«}È}ã«ººÏÓÈËÓÒ«º¹¯ËËãÒËãË®äÈ¯ÒªºmÒ
º¯ÈÓÒÒËãË®ÓË¹¯ÒäËÓ«Ë°«ÈÒ°¹ºãÏË°«ººÏÓÈËÓÒËÁÓ}ÒºÓÈã
ÓººmÒÈÓȹ¯Òä˯
det $

kmº¯m©¯ÈÎÈËãº}¹¯ÒÏÓÈËãÓº°¹¯Ë¹ºÈmÈËã«äÒ°º¯ÓÒ}Èä}È
Á˯© m©°Ë® äÈËäÈÒ}Ò lnj °ºmË© Ò ÏÈäËÈÓÒ« }ºº¯©² m ºãº® °˹ËÓÒ
°¹º°º°mºmÈãÒ ãËÓÒ ¹º°ºÒ« Ò m ¹Ë¯mºË¯Ë jkȯºm {j˲ãºm
v{jmÈÓºmº®Ò{r¯ÒÓ
    { m Ë  Ë Ó Ò Ë                                                     




               mº ÒÏ­ËÎÈÓÒË }ºÓÁãÒ}ˆºm ã« º­ºÏÓÈËÓÒ® ãÒÓ È­°ºã ˆÓ©² mËãÒÒÓ
                  亂ãË®ÒÓº¯äÒ°¹ºã ς ˆ°«ºÒÓȯөËm˯ˆÒ}Èã ө˺¯ÈÓÒ҈ËãÒÓÈ
                                               →
                        ¹¯Òä˯ D mˆºm¯Ëä«}È}㫺­ºÏÓÈËÓÒ«º¹¯ËËã҈ËãË®äȈ¯ÒªˆºˆmÒ

                        º¯ÈÓÒ҈ËãË®Ó˹¯ÒäËӫˈ°«ÈÒ°¹ºã ςˈ°«º­ºÏÓÈËÓÒËÁ‚Ó}ÒºÓÈã 
                        ÓººmÒÈÓȹ¯Òä˯ det $ 
       
       kmˆº¯m©¯ÈÎÈˈキº}‚ ¹¯ÒÏÓȈËã Óº°ˆ ¹¯Ë¹ºÈmȈËã«äÒ°ºˆ¯‚ÓÒ}Èä}È
Á˯© m©° Ë® äȈËäȈÒ}Ò ln‘j °ºmˈ© Ò ÏÈäËÈÓÒ« }ºˆº¯©² m ­ºã º® °ˆË¹ËÓÒ
°¹º°º­°ˆmºmÈãÒ ‚ã‚ ËÓÒ  ¹º°º­Ò« Ò m ¹Ë¯m‚  º˯Ë  jk ‚­È¯ºm‚ {j ˲ãºm‚
v{jmÈÓºmº®Ò{r‘¯‚ Òӂ
       
       




              

Страницы