Математическое моделирование в литейном производстве. Черный А.А. - 43 стр.

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                       N                                                 N
                    ∑ x 2 n ,u ⋅ yu                                     ∑ x3n ,u ⋅ yu
                    u =1                                                u =1
     b2 n =                 N
                                             ;                b3n =             N
                                                                                                  ;
                           ∑      x 22n ,u                                   ∑       x32n ,u
                           u =1                                              u =1


                N                                                                N
               ∑ x1n ,u ⋅ x2 n ,u ⋅ yu                                          ∑ x1n ,u ⋅ x3n ,u ⋅ yu
               u =1                                                             u =1
b1n ,2 n =      N
                                                     ;         b1n ,3n =         N
                                                                                                                  ;
               ∑ ( x1n ,u ⋅ x2n ,u )             2
                                                                                 ∑ ( x1n ,u ⋅ x3n ,u )    2

               u =1                                                              u =1
                   N                                                            N
                   ∑ x2n,u ⋅ x3n,u ⋅ yu                                      ∑ x1n ,u ⋅ x2 n ,u ⋅ x3n ,u ⋅ yu
                u =1                                                         u =1
b2n,3n =          N
                                                         ; b1n ,2 n ,3n =     N
                                                                                                                          ;
                   ∑ ( x2n,u ⋅ x3n,u )               2
                                                                             ∑ ( x1n ,u ⋅ x2 n ,u ⋅ x3n ,u )          2

                   u =1                                                      u =1
        N                                                                   N
        ∑ x1r ,u ⋅ yu                                                    ∑ x2r ,u ⋅ yu
        u =1                                                             u =1
b1r =          N
                                     ;                         b2 r =            N
                                                                                                  ;
            ∑       x12r ,u                                                     ∑       x22r ,u
            u =1                                                                u =1


          N                                                                      N
         ∑ x3r ,u ⋅ yu                                                           ∑ x1n ,u ⋅ x2r ,u ⋅ yu
         u =1                                                                   u =1
b3r =           N
                                         ;                      b1n ,2 r =       N
                                                                                                                  ;
               ∑       x32r ,u                                                   ∑ ( x1n ,u ⋅ x2r ,u )        2

               u =1                                                              u =1
                N                                                                N
               ∑ x1n ,u ⋅ x3r ,u ⋅ yu                                            ∑ x2n ,u ⋅ x1r ,u ⋅ yu
               u =1                                                             u =1
b1n ,3r =       N
                                                     ;          b2 n ,1r =       N
                                                                                                                  ;
               ∑ ( x1n ,u ⋅ x3r ,u )             2
                                                                                 ∑ ( x2n ,u ⋅ x1r ,u )        2

               u =1                                                              u =1




                   N                                                        N
               ∑ x2n ,u ⋅ x3r ,u ⋅ yu                                   ∑ x3n ,u ⋅ x1r ,u ⋅ yu
               u =1                                                     u =1
b2 n ,3r =      N
                                                     ;      b3n ,1r =    N
                                                                                                          ;
               ∑ ( x2n ,u ⋅ x3r ,u )             2
                                                                         ∑ ( x3n ,u ⋅ x1r ,u )        2

               u =1                                                      u =1




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