Solution 4 to problem l112o23


Expressions | Parameters | Relevance | Back to problem l112o23

Expressions

The solution is given through the following expressions:

         3      3   3        3      3   2           3      3      2
b42=( - ----*a14 *a4 *b24 + ----*a14 *a4 *a5*b24 + ----*a14 *a4*a5 *b24
         64                  64                     64

         3      3   3         6
      - ----*a14 *a5 *b24)/a12
         64


      3                2        3
b41=(---*a12*a14*a15*a4 *b24 - ---*a12*a14*a15*a4*a5*b24
      8                         4

         3                2        3      3   2        3      3   2         5
      + ---*a12*a14*a15*a5 *b24 - ----*a14 *a4 *b24 + ----*a14 *a5 *b24)/a12
         8                         16                  16


         3     2   2        3     2              3     2   2
      - ---*a14 *a4 *b24 - ---*a14 *a4*a5*b24 + ---*a14 *a5 *b24
         8                  8                    4
b40=-------------------------------------------------------------
                                   4
                                a12


      3      2   2        3     2              3      2   2
     ----*a14 *a4 *b24 - ---*a14 *a4*a5*b24 + ----*a14 *a5 *b24
      16                  8                    16
b39=------------------------------------------------------------
                                   4
                                a12


      3                        3                        3      3
b38=(---*a12*a14*a15*a4*b24 - ---*a12*a14*a15*a5*b24 - ----*a14 *a4*b24
      2                        2                        16

         3      3            4
      - ----*a14 *a5*b24)/a12
         16


b37

   3                    3                    3     2           9     2
  ---*a12*a15*a4*b24 - ---*a12*a15*a5*b24 - ---*a14 *a4*b24 - ---*a14 *a5*b24
   2                    2                    8                 8
=-----------------------------------------------------------------------------
                                        3
                                     a12


      3     2           3     2
     ---*a14 *a4*b24 - ---*a14 *a5*b24
      4                 4
b36=-----------------------------------
                      3
                   a12


      3                    3                    3     2
     ---*a12*a15*a4*b24 - ---*a12*a15*a5*b24 - ---*a14 *a5*b24
      2                    2                    8
b35=-----------------------------------------------------------
                                  3
                               a12


         3
      - ---*a14*a5*b24
         4
b34=-------------------
              2
           a12


         3
      - ---*a14*a5*b24
         4
b33=-------------------
              2
           a12


      3                3
     ---*a14*a4*b24 - ---*a14*a5*b24
      2                2
b32=---------------------------------
                     2
                  a12


      3                3
     ---*a14*a4*b24 - ---*a14*a5*b24
      4                4
b31=---------------------------------
                     2
                  a12


      3
     ---*a14*a15*b24
      2
b30=-----------------
             2
          a12


      3     2
     ---*a14 *b24
      4
b29=--------------
            2
         a12


      9                 3     2
     ---*a12*a15*b24 + ---*a14 *b24
      2                 8
b28=--------------------------------
                     2
                  a12


      3
     ---*a14*b24
      2
b27=-------------
         a12


      3
     ---*a14*b24
      2
b26=-------------
         a12


      3                 3     2
     ---*a12*a15*b24 + ---*a14 *b24
      2                 8
b25=--------------------------------
                a12*a14


      3      3   4        3      3   3           3      3      3
b23=(----*a14 *a4 *b24 - ----*a14 *a4 *a5*b24 + ----*a14 *a4*a5 *b24
      64                  32                     32

         3      3   4         7
      - ----*a14 *a5 *b24)/a12
         64


         3                3        9                2
b22=( - ---*a12*a14*a15*a4 *b24 + ---*a12*a14*a15*a4 *a5*b24
         8                         8

         9                   2        3                3        3      3   3
      - ---*a12*a14*a15*a4*a5 *b24 + ---*a12*a14*a15*a5 *b24 + ----*a14 *a4 *b24
         8                            8                         16

         3      3   2           3      3      2        3      3   3         6
      - ----*a14 *a4 *a5*b24 - ----*a14 *a4*a5 *b24 + ----*a14 *a5 *b24)/a12
         16                     16                     16


      15     2   3        9      2   2           27     2      2
b21=(----*a14 *a4 *b24 - ----*a14 *a4 *a5*b24 - ----*a14 *a4*a5 *b24
      16                  16                     16

         21     2   3         5
      + ----*a14 *a5 *b24)/a12
         16


         3                2
b20=( - ---*a12*a14*a15*a4 *b24 + 3*a12*a14*a15*a4*a5*b24
         2

         3                2        3      3   2        3      3   2         5
      - ---*a12*a14*a15*a5 *b24 + ----*a14 *a4 *b24 - ----*a14 *a5 *b24)/a12
         2                         16                  16


         9            2                              9            2
b19=( - ---*a12*a15*a4 *b24 + 9*a12*a15*a4*a5*b24 - ---*a12*a15*a5 *b24
         2                                           2

         15     2   2        3     2              21     2   2         4
      + ----*a14 *a4 *b24 + ---*a14 *a4*a5*b24 - ----*a14 *a5 *b24)/a12
         8                   4                    8


         9            2        9                       9            2
b18=( - ---*a12*a15*a4 *b24 + ---*a12*a15*a4*a5*b24 - ---*a12*a15*a5 *b24
         4                     2                       4

         9      2   2        9      2   2         4
      + ----*a14 *a4 *b24 - ----*a14 *a5 *b24)/a12
         16                  16


      3        2        3                          2
     ---*a14*a4 *b24 + ---*a14*a4*a5*b24 - 3*a14*a5 *b24
      2                 2
b17=-----------------------------------------------------
                               3
                            a12


      3        2        3                   9        2
     ---*a14*a4 *b24 + ---*a14*a4*a5*b24 - ---*a14*a5 *b24
      4                 2                   4
b16=-------------------------------------------------------
                                3
                             a12


      3        2        3        2
     ---*a14*a4 *b24 - ---*a14*a5 *b24
      2                 2
b15=-----------------------------------
                      3
                   a12


         3                    3
      - ---*a14*a15*a4*b24 + ---*a14*a15*a5*b24
         2                    2
b14=--------------------------------------------
                           3
                        a12


                                               3     2           3     2
      - 6*a12*a15*a4*b24 + 6*a12*a15*a5*b24 + ---*a14 *a4*b24 + ---*a14 *a5*b24
                                               4                 4
b13=----------------------------------------------------------------------------
                                           3
                                        a12


         21                    21                    9     2
b12=( - ----*a12*a15*a4*b24 + ----*a12*a15*a5*b24 + ---*a14 *a4*b24
         2                     2                     8

         3     2            3
      + ---*a14 *a5*b24)/a12
         8


                                               3     2           9     2
      - 3*a12*a15*a4*b24 + 3*a12*a15*a5*b24 + ---*a14 *a4*b24 + ---*a14 *a5*b24
                                               4                 4
b11=----------------------------------------------------------------------------
                                         2
                                      a12 *a14


                                               9     2           3     2
      - 3*a12*a15*a4*b24 + 3*a12*a15*a5*b24 + ---*a14 *a4*b24 + ---*a14 *a5*b24
                                               4                 4
b10=----------------------------------------------------------------------------
                                         2
                                      a12 *a14


                                              9     2           9     2
     - 9*a12*a15*a4*b24 + 9*a12*a15*a5*b24 + ---*a14 *a4*b24 + ---*a14 *a5*b24
                                              4                 4
b9=----------------------------------------------------------------------------
                                        2
                                     a12 *a14


b8=

     9                    9                    3     2           3     2
  - ---*a12*a15*a4*b24 + ---*a12*a15*a5*b24 + ---*a14 *a4*b24 + ---*a14 *a5*b24
     2                    2                    8                 8
--------------------------------------------------------------------------------
                                       2
                                    a12 *a14


     3
    ---*a5*b24
     2
b7=------------
       a12


                3
    3*a4*b24 + ---*a5*b24
                2
b6=-----------------------
             a12


b5=0


                        3     2
     - 9*a12*a15*b24 + ---*a14 *b24
                        4
b4=---------------------------------
                    2
                 a12


                        3     2
     - 9*a12*a15*b24 + ---*a14 *b24
                        4
b3=---------------------------------
                a12*a14


                        3     2
     - 9*a12*a15*b24 + ---*a14 *b24
                        4
b2=---------------------------------
                a12*a14


                        1     2
     - 3*a12*a15*b24 + ---*a14 *b24
                        4
b1=---------------------------------
                    2
                 a14


         1      2   2    1      2   2
      - ----*a14 *a4  + ----*a14 *a5
         16              16
a19=----------------------------------
                      3
                   a12


      1                1                1     2       1     2
     ---*a12*a15*a4 - ---*a12*a15*a5 - ---*a14 *a4 - ---*a14 *a5
      2                2                8             8
a18=-------------------------------------------------------------
                                   2
                                a12


         1
      - ---*a14*a5
         2
a17=---------------
          a12


      1            1
     ---*a14*a4 - ---*a14*a5
      2            2
a16=-------------------------
               a12


                1     2
     a12*a15 + ---*a14
                4
a13=--------------------
            a14


      1      2   3    1      2   2       1      2      2    1      2   3
     ----*a14 *a4  - ----*a14 *a4 *a5 - ----*a14 *a4*a5  + ----*a14 *a5
      16              16                 16                 16
a11=---------------------------------------------------------------------
                                       4
                                    a12


         1            2                    1            2    1     2   2
a10=( - ---*a12*a15*a4  + a12*a15*a4*a5 - ---*a12*a15*a5  + ---*a14 *a4
         2                                 2                 8

         1     2   2     3
      - ---*a14 *a5 )/a12
         8


     1        2    1                    2
    ---*a14*a4  + ---*a14*a4*a5 - a14*a5
     2             2
a9=---------------------------------------
                       2
                    a12


     - a15*a4 + a15*a5
a8=--------------------
           a12


                                      1     2       1     2
     - 2*a12*a15*a4 + 2*a12*a15*a5 + ---*a14 *a4 + ---*a14 *a5
                                      2             2
a7=------------------------------------------------------------
                             a12*a14


                                      1     2
     - 2*a12*a15*a4 + 2*a12*a15*a5 + ---*a14 *a4
                                      2
a6=----------------------------------------------
                      a12*a14


a3=0


                      2
     - 4*a12*a15 + a14
a2=---------------------
            a14


            2        1         2
     - 2*a12 *a15 + ---*a12*a14
                     2
a1=------------------------------
                   2
                a14


Parameters

Apart from the condition that they must not vanish to give a non-trivial solution and a non-singular solution with non-vanishing denominators, the following parameters are free:
 b24,a5,a4,a15,a14,a12

Relevance for the application:

/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\

                     6        1         5    2                  4
df(u,t)=( - 2*u  *a12 *a15 + ---*u  *a12 *a14  - 2*u *f(v,v)*a12 *a14*a15*a4
               2x             2   2x                x

                           4               1               3    3
          + 2*u *f(v,v)*a12 *a14*a15*a5 + ---*u *f(v,v)*a12 *a14 *a4
               x                           2   x

                    5                   4    3                 4    2
          - 4*u *a12 *a14*a15*u + u *a12 *a14 *u + f(v ,v )*a12 *a14 *a4
               x                   x                  x  x

                        4    2       1                    2    3   2
          + f(v,v  )*a12 *a14 *a5 + ---*f(v,v )*f(v,v)*a12 *a14 *a4
                 2x                  2       x

             1                    2    3                           2    3   2
          + ---*f(v,v )*f(v,v)*a12 *a14 *a4*a5 - f(v,v )*f(v,v)*a12 *a14 *a5
             2       x                                x

                         4                             4
          - 2*f(v,v )*a12 *a14*a15*a4*u + 2*f(v,v )*a12 *a14*a15*a5*u
                   x                             x

             1             3    3         1             3    3
          + ---*f(v,v )*a12 *a14 *a4*u + ---*f(v,v )*a12 *a14 *a5*u
             2       x                    2       x

             1         3    4   3    1         3    4   2
          + ----*f(v,v) *a14 *a4  - ----*f(v,v) *a14 *a4 *a5
             16                      16

             1         3    4      2    1         3    4   3
          - ----*f(v,v) *a14 *a4*a5  + ----*f(v,v) *a14 *a5
             16                         16

             1        2    2    2       2           2    2    2
          - ---*f(v,v) *a12 *a14 *a15*a4 *u + f(v,v) *a12 *a14 *a15*a4*a5*u
             2

             1        2    2    2       2      1        2        4   2
          - ---*f(v,v) *a12 *a14 *a15*a5 *u + ---*f(v,v) *a12*a14 *a4 *u
             2                                 8

             1        2        4   2               3    2         2
          - ---*f(v,v) *a12*a14 *a5 *u - f(v,v)*a12 *a14 *a15*a4*u
             8

                      3    2         2      4    2
          + f(v,v)*a12 *a14 *a15*a5*u )/(a12 *a14 )

               4          1        3    2            4
df(v,t)=(u *a12 *a15*v + ---*u *a12 *a14 *v + v  *a12 *a14
          x               4   x                2x

             1               2    2       1               2    2
          + ---*v *f(v,v)*a12 *a14 *a4 - ---*v *f(v,v)*a12 *a14 *a5
             2   x                        2   x

                  3    2      1             2    2
          + v *a12 *a14 *u - ---*f(v,v )*a12 *a14 *a5*v
             x                2       x

             1         2    3   2      1         2    3   2
          - ----*f(v,v) *a14 *a4 *v + ----*f(v,v) *a14 *a5 *v
             16                        16

             1            2                   1            2
          + ---*f(v,v)*a12 *a14*a15*a4*u*v - ---*f(v,v)*a12 *a14*a15*a5*u*v
             2                                2

             1                3           1                3
          - ---*f(v,v)*a12*a14 *a4*u*v - ---*f(v,v)*a12*a14 *a5*u*v
             8                            8

               3          2        3
          + a12 *a14*a15*u *v)/(a12 *a14)

                     8            1         7    2
df(u,s)=( - 3*u  *a12 *a15*b24 + ---*u  *a12 *a14 *b24
               3x                 4   3x

             9                6
          - ---*u  *f(v,v)*a12 *a14*a15*a4*b24
             2   2x

             9                6                   3                5    3
          + ---*u  *f(v,v)*a12 *a14*a15*a5*b24 + ---*u  *f(v,v)*a12 *a14 *a4*b24
             2   2x                               8   2x

             3                5    3                   7
          + ---*u  *f(v,v)*a12 *a14 *a5*b24 - 9*u  *a12 *a14*a15*b24*u
             8   2x                              2x

             3         6    3             2    7
          + ---*u  *a12 *a14 *b24*u - 9*u  *a12 *a14*a15*b24
             4   2x                      x

             3    2    6    3                       6
          + ---*u  *a12 *a14 *b24 - 9*u *f(v,v )*a12 *a14*a15*a4*b24
             4   x                     x      x

                            6                   9                5    3
          + 9*u *f(v,v )*a12 *a14*a15*a5*b24 + ---*u *f(v,v )*a12 *a14 *a4*b24
               x      x                         4   x      x

             9                5    3
          + ---*u *f(v,v )*a12 *a14 *a5*b24
             4   x      x

             9           2    4    2       2
          - ---*u *f(v,v) *a12 *a14 *a15*a4 *b24
             4   x

             9           2    4    2
          + ---*u *f(v,v) *a12 *a14 *a15*a4*a5*b24
             2   x

             9           2    4    2       2
          - ---*u *f(v,v) *a12 *a14 *a15*a5 *b24
             4   x

             9            2    3    4   2
          + ----*u *f(v,v) *a12 *a14 *a4 *b24
             16   x

             9            2    3    4   2
          - ----*u *f(v,v) *a12 *a14 *a5 *b24
             16   x

             21               5    2
          - ----*u *f(v,v)*a12 *a14 *a15*a4*b24*u
             2    x

             21               5    2
          + ----*u *f(v,v)*a12 *a14 *a15*a5*b24*u
             2    x

             9               4    4             3               4    4
          + ---*u *f(v,v)*a12 *a14 *a4*b24*u + ---*u *f(v,v)*a12 *a14 *a5*b24*u
             8   x                              8   x

                    6    2          2    3        5    4      2
          - 9*u *a12 *a14 *a15*b24*u  + ---*u *a12 *a14 *b24*u
               x                         4   x

                           6    2           3               6    2
          + 3*f(v ,v  )*a12 *a14 *a4*b24 + ---*f(v ,v  )*a12 *a14 *a5*b24
                 x  2x                      2     x  2x

             3                     4    3   2
          + ---*f(v ,v )*f(v,v)*a12 *a14 *a4 *b24
             2     x  x

             3                     4    3   2
          - ---*f(v ,v )*f(v,v)*a12 *a14 *a5 *b24
             2     x  x

                          6                                  6
          - 3*f(v ,v )*a12 *a14*a15*a4*b24*u + 3*f(v ,v )*a12 *a14*a15*a5*b24*u
                 x  x                               x  x

             9              5    3             3              5    3
          + ---*f(v ,v )*a12 *a14 *a4*b24*u + ---*f(v ,v )*a12 *a14 *a5*b24*u
             4     x  x                        4     x  x

             3              6    2
          + ---*f(v,v  )*a12 *a14 *a5*b24
             2       3x

             3                     4    3   2
          + ---*f(v,v  )*f(v,v)*a12 *a14 *a4 *b24
             4       2x

             3                     4    3
          + ---*f(v,v  )*f(v,v)*a12 *a14 *a4*a5*b24
             2       2x

             9                     4    3   2
          - ---*f(v,v  )*f(v,v)*a12 *a14 *a5 *b24
             4       2x

                          6                                  6
          - 3*f(v,v  )*a12 *a14*a15*a4*b24*u + 3*f(v,v  )*a12 *a14*a15*a5*b24*u
                   2x                                 2x

             3              5    3             9              5    3
          + ---*f(v,v  )*a12 *a14 *a4*b24*u + ---*f(v,v  )*a12 *a14 *a5*b24*u
             4       2x                        4       2x

             3         2    4    3   2        3         2    4    3
          + ---*f(v,v ) *a12 *a14 *a4 *b24 + ---*f(v,v ) *a12 *a14 *a4*a5*b24
             2       x                        2       x

                     2    4    3   2
          - 3*f(v,v ) *a12 *a14 *a5 *b24
                   x

             15                2    2    4   3
          + ----*f(v,v )*f(v,v) *a12 *a14 *a4 *b24
             16       x

             9                 2    2    4   2
          - ----*f(v,v )*f(v,v) *a12 *a14 *a4 *a5*b24
             16       x

             27                2    2    4      2
          - ----*f(v,v )*f(v,v) *a12 *a14 *a4*a5 *b24
             16       x

             21                2    2    4   3
          + ----*f(v,v )*f(v,v) *a12 *a14 *a5 *b24
             16       x

             9                    4    2       2
          - ---*f(v,v )*f(v,v)*a12 *a14 *a15*a4 *b24*u
             2       x

                                4    2
          + 9*f(v,v )*f(v,v)*a12 *a14 *a15*a4*a5*b24*u
                   x

             9                    4    2       2
          - ---*f(v,v )*f(v,v)*a12 *a14 *a15*a5 *b24*u
             2       x

             15                    3    4   2
          + ----*f(v,v )*f(v,v)*a12 *a14 *a4 *b24*u
             8        x

             3                    3    4
          + ---*f(v,v )*f(v,v)*a12 *a14 *a4*a5*b24*u
             4       x

             21                    3    4   2
          - ----*f(v,v )*f(v,v)*a12 *a14 *a5 *b24*u
             8        x

                         5    2             2
          - 6*f(v,v )*a12 *a14 *a15*a4*b24*u
                   x

                         5    2             2    3             4    4         2
          + 6*f(v,v )*a12 *a14 *a15*a5*b24*u  + ---*f(v,v )*a12 *a14 *a4*b24*u
                   x                             4       x

             3             4    4         2    3         4    5   4
          + ---*f(v,v )*a12 *a14 *a5*b24*u  + ----*f(v,v) *a14 *a4 *b24
             4       x                         64

             3         4    5   3           3         4    5      3
          - ----*f(v,v) *a14 *a4 *a5*b24 + ----*f(v,v) *a14 *a4*a5 *b24
             32                             32

             3         4    5   4        3        3    2    3       3
          - ----*f(v,v) *a14 *a5 *b24 - ---*f(v,v) *a12 *a14 *a15*a4 *b24*u
             64                          8

             9        3    2    3       2
          + ---*f(v,v) *a12 *a14 *a15*a4 *a5*b24*u
             8

             9        3    2    3          2
          - ---*f(v,v) *a12 *a14 *a15*a4*a5 *b24*u
             8

             3        3    2    3       3
          + ---*f(v,v) *a12 *a14 *a15*a5 *b24*u
             8

             3         3        5   3          3         3        5   2
          + ----*f(v,v) *a12*a14 *a4 *b24*u - ----*f(v,v) *a12*a14 *a4 *a5*b24*u
             16                                16

             3         3        5      2          3         3        5   3
          - ----*f(v,v) *a12*a14 *a4*a5 *b24*u + ----*f(v,v) *a12*a14 *a5 *b24*u
             16                                   16

             3        2    3    3       2      2
          - ---*f(v,v) *a12 *a14 *a15*a4 *b24*u
             2

                    2    3    3                2
          + 3*f(v,v) *a12 *a14 *a15*a4*a5*b24*u

             3        2    3    3       2      2
          - ---*f(v,v) *a12 *a14 *a15*a5 *b24*u
             2

             3         2    2    5   2      2
          + ----*f(v,v) *a12 *a14 *a4 *b24*u
             16

             3         2    2    5   2      2
          - ----*f(v,v) *a12 *a14 *a5 *b24*u
             16

             3            4    3             3
          - ---*f(v,v)*a12 *a14 *a15*a4*b24*u
             2

             3            4    3             3      7    2
          + ---*f(v,v)*a12 *a14 *a15*a5*b24*u )/(a12 *a14 )
             2

          3         6              3         5    2
df(v,s)=(---*u  *a12 *a15*b24*v + ---*u  *a12 *a14 *b24*v
          2   2x                   8   2x

             3           5    2        3               4
          + ---*u *v *a12 *a14 *b24 + ---*u *f(v,v)*a12 *a14*a15*a4*b24*v
             2   x  x                  2   x

             3               4
          - ---*u *f(v,v)*a12 *a14*a15*a5*b24*v
             2   x

             3               3    3             9        5
          - ---*u *f(v,v)*a12 *a14 *a5*b24*v + ---*u *a12 *a14*a15*b24*u*v
             8   x                              2   x

             3        4    3                  6
          + ---*u *a12 *a14 *b24*u*v + v  *a12 *a14*b24
             8   x                      3x

             3                4    2           3                4    2
          + ---*v  *f(v,v)*a12 *a14 *a4*b24 - ---*v  *f(v,v)*a12 *a14 *a5*b24
             4   2x                            4   2x

             3         5    2          3                4    2
          + ---*v  *a12 *a14 *b24*u + ---*v *f(v,v )*a12 *a14 *a4*b24
             2   2x                    2   x      x

             3                4    2           3            2    2    3   2
          - ---*v *f(v,v )*a12 *a14 *a5*b24 + ----*v *f(v,v) *a12 *a14 *a4 *b24
             2   x      x                      16   x

             3           2    2    3
          - ---*v *f(v,v) *a12 *a14 *a4*a5*b24
             8   x

             3            2    2    3   2        3               3    3
          + ----*v *f(v,v) *a12 *a14 *a5 *b24 + ---*v *f(v,v)*a12 *a14 *a4*b24*u
             16   x                              4   x

             3               3    3             3        4    3      2
          - ---*v *f(v,v)*a12 *a14 *a5*b24*u + ---*v *a12 *a14 *b24*u
             4   x                              4   x

             3              4    2             3              4    2
          - ---*f(v ,v )*a12 *a14 *a5*b24*v - ---*f(v,v  )*a12 *a14 *a5*b24*v
             4     x  x                        4       2x

             3                    2    3   2
          - ---*f(v,v )*f(v,v)*a12 *a14 *a4 *b24*v
             8       x

             3                    2    3
          - ---*f(v,v )*f(v,v)*a12 *a14 *a4*a5*b24*v
             8       x

             3                    2    3   2
          + ---*f(v,v )*f(v,v)*a12 *a14 *a5 *b24*v
             4       x

             3             4
          + ---*f(v,v )*a12 *a14*a15*a4*b24*u*v
             2       x

             3             4
          - ---*f(v,v )*a12 *a14*a15*a5*b24*u*v
             2       x

             3             3    3               9             3    3
          - ---*f(v,v )*a12 *a14 *a4*b24*u*v - ---*f(v,v )*a12 *a14 *a5*b24*u*v
             8       x                          8       x

             3         3    4   3          3         3    4   2
          - ----*f(v,v) *a14 *a4 *b24*v + ----*f(v,v) *a14 *a4 *a5*b24*v
             64                            64

             3         3    4      2          3         3    4   3
          + ----*f(v,v) *a14 *a4*a5 *b24*v - ----*f(v,v) *a14 *a5 *b24*v
             64                               64

             3        2    2    2       2
          + ---*f(v,v) *a12 *a14 *a15*a4 *b24*u*v
             8

             3        2    2    2
          - ---*f(v,v) *a12 *a14 *a15*a4*a5*b24*u*v
             4

             3        2    2    2       2
          + ---*f(v,v) *a12 *a14 *a15*a5 *b24*u*v
             8

             3         2        4   2
          - ----*f(v,v) *a12*a14 *a4 *b24*u*v
             16

             3         2        4   2
          + ----*f(v,v) *a12*a14 *a5 *b24*u*v
             16

             3            3    2             2
          + ---*f(v,v)*a12 *a14 *a15*a4*b24*u *v
             2

             3            3    2             2
          - ---*f(v,v)*a12 *a14 *a15*a5*b24*u *v
             2

             3             2    4         2
          - ----*f(v,v)*a12 *a14 *a4*b24*u *v
             16

             3             2    4         2      3     4    2          3
          - ----*f(v,v)*a12 *a14 *a5*b24*u *v + ---*a12 *a14 *a15*b24*u *v)/(
             16                                  2

      6
   a12 *a14)