Методы и средства исследования технологических процессов ткацкого производства. Назарова М.В - 134 стр.

+ ( + 1) ⋅ 173,3 + ( − 1) ⋅ 161,7 + (0) ⋅ 168,3 + (0 ) ⋅ 170,0 + (0) ⋅ 165,0] = 2,5;
      1
b =       ⋅ [( + 1) ⋅ 166,7 + ( + 1) ⋅ 166,7 + ( − 1) ⋅ 171,7 + ( − 1) ⋅ 168,3 + (0) ⋅ 173,3 +
 2    6
+ (0) ⋅ 161,7 + (+ 1) ⋅ 168,3 + (− 1) ⋅ 170,0 + (0) ⋅ 165,0 ] = −1,38 ;
                                      1
                                b    =   ⋅ [( + 1)( + 1) ⋅ 166,7 + ( − 1)( + 1) ⋅ 166,7 + ( + 1)( − 1) ⋅ 171,7 +
                                 12   4
                          + ( − 1)( − 1) ⋅ 168,3 + ( + 1) ⋅ ( 0 ) ⋅ 173,3 + ( − 1) ⋅ ( 0 ) ⋅ 161,7 + ( 0 ) ⋅ ( + 1) ⋅ 168,3 +
                                                                                            1
                                         + ( 0 ) ⋅ ( − 1) ⋅ 170,0 + (0) ⋅ (0) ⋅ 165,0 ] =     ⋅ (− 3 ,4 ) = 0 ,85.
                                                                                            4
                                 1
                           b = ⋅ [( + 1)2 ⋅ 166,7 + ( − 1)2 ⋅ 166,7 + ( + 1)2 ⋅ 171,7 + ( − 1)2 ⋅ 168,3 +
                            11   2
                          + ( + 1)2 ⋅ 173,3 + ( − 1)2 ⋅ 161,7 + (0) 2 ⋅ 168,3 + (0) 2 ⋅ 170,0 + (0)2 ⋅ 165,0] −
                                                 1          1          1
                                                − ⋅ 1511,7 = ⋅ 1008,4 − ⋅ 1511,7 = 0,3;
                                                 3          2          3
                                        1
                                 b   =    ⋅ [( + 1)2 ⋅ 166,7 + ( + 1)2 ⋅ 166,7 + ( − 1)2 ⋅ 171,7 + ( − 1)2 ⋅ 168,3 +
                                  22    2
                                                                                                              1
                           + (0)2 ⋅ 173,3 + (0)2 ⋅ 161,7 + (+ 1) ⋅ 168,3 + (− 1) ⋅ 170,0 + (0)2 ⋅ 165,0 ] − ⋅ 1511,7 =
                                                                 2                2
                                                                                                              3
                                                            1             1
                                                          = ⋅ 1011,7 − ⋅ 1511,7 = 1,95;
                                                            2             3
     Эксперимент, проведенный по приведенной матрице, позволяет получить математическую модель второ-
го порядка, описывающую влияние факторов х1, х2 на выбранный параметр оптимизации следующего вида:
           У = в0 + в1х1 + в2х2 + в11х12 + в22х22 + в12х12.
     Составляется математическая модель: