Аналитическая геометрия и линейная алгебра. Умнов А.Е. - 346 стр.

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                                                j j1 j 2 ... j q
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                                              j j j ... j q                 j j 2 ... j q
                                                                                            
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                                                                    3 4
                                                                    5 7
                         α •i jk ojljtujzéq|np                            Ëjpzqujzéq|€zntovévk α ijk q α ijk • 
                                                                    2 5
                                                                    1 3
            
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                                                      α111 = γ 11α11
                                                                  1
                                                                     + γ 12 α11
                                                                             2
                                                                                = 2 ⋅ 3 + 3 ⋅ 5 = 21
                                                      α112 = γ 11α12
                                                                  1
                                                                     + γ 12 α122 = 2 ⋅ 2 + 3 ⋅ 1 = 7
                                                      α121 = γ 11α 21
                                                                   1
                                                                      + γ 12 α 21
                                                                               2
                                                                                  = 2 ⋅ 4 + 3 ⋅ 7 = 29
                                                      α122 = γ 11α 22
                                                                   1
                                                                      + γ 12 α 22
                                                                               2
                                                                                  = 2 ⋅ 5 + 3 ⋅ 3 = 19
                                                                                                                       
                                                      α 211 = γ 21α11
                                                                   1
                                                                      + γ 22 α112 = 3 ⋅ 3 + 5 ⋅ 5 = 34
                                                      α 212 = γ 21α12
                                                                   1
                                                                      + γ 22 α12
                                                                              2
                                                                                 = 3 ⋅ 2 + 5 ⋅ 1 = 11
                                                      α 221 = γ 21α 21
                                                                    1
                                                                       + γ 22 α 21
                                                                                2
                                                                                   = 3 ⋅ 4 + 5 ⋅ 7 = 47
                                            α 222 = γ 21α 22
                                                          1
                                                             + γ 22 α 22
                                                                      2
                                                                         = 3 ⋅ 5 + 5 ⋅ 3 = 30 .
                                                                                               21                            29
                                                                                               34                           47
                                  vã˺mȈËã ÓºäȈ¯ÒȈËÓϺ¯È α ijk ÒäËˈmÒ                                            
                                                                                                7                           19
                                                                                               11                           30
                         
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                                  äȈ¯ÒÈ }ºˆº¯ºº º­¯ÈˆÓÈ äȈ¯ÒË ˆËÓϺ¯È γ ij  Ò ÒäËˈ mÒ
                                             −1
                                    2 3                5 −3
                                                  =         ºªˆºä‚
                                    3 5               −3  2
                         

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