Solution 8 to problem l112o23


Expressions | Parameters | Relevance | Back to problem l112o23

Expressions

The solution is given through the following expressions:

         1     2         2        1     2         2        1        2   2
b42=( - ----*a1 *a2*a4*a6 *b1 + -----*a1 *a2*a4*a6 *b24 + ----*a1*a2 *a4 *a6*b1
         32                      128                       64

          1        2   2            1     3   3        1      3   3        6
      - -----*a1*a2 *a4 *a6*b24 - -----*a2 *a4 *b1 + ------*a2 *a4 *b24)/a1
         256                       512                2048


         1     2      2       1     2      2        1        2
b41=( - ----*a1 *a2*a6 *b1 + ----*a1 *a2*a6 *b24 - ----*a1*a2 *a4*a6*b1
         16                   64                    32

          1        2               3     3   2        3      3   2        5
      + -----*a1*a2 *a4*a6*b24 + -----*a2 *a4 *b1 - ------*a2 *a4 *b24)/a1
         128                      256                1024


         3                    3                      3     2   2
b40=( - ---*a1*a2*a4*a6*b1 + ----*a1*a2*a4*a6*b24 + ----*a2 *a4 *b1
         8                    16                     32

         3     2   2        4
      - ----*a2 *a4 *b24)/a1
         64


      3     2   2        3                       3     2   2
     ----*a1 *a6 *b24 - ----*a1*a2*a4*a6*b24 + -----*a2 *a4 *b24
      16                 32                     256
b39=-------------------------------------------------------------
                                   4
                                 a1


         1    2          1     2
      - ---*a2 *a6*b1 + ----*a2 *a6*b24
         8               32
b38=------------------------------------
                      3
                    a1


         1                 1                  3     2
      - ---*a1*a2*a6*b1 + ---*a1*a2*a6*b24 - ----*a2 *a4*b1
         4                 4                  16
b37=--------------------------------------------------------
                                3
                              a1


      3                  3     2
     ---*a1*a2*a6*b24 - ----*a2 *a4*b24
      8                  32
b36=------------------------------------
                      3
                    a1


         1                 1                   3     2
      - ---*a1*a2*a6*b1 + ----*a1*a2*a6*b24 + ----*a2 *a4*b24
         4                 16                  64
b35=----------------------------------------------------------
                                 3
                               a1


         1              1
      - ---*a2*a4*b1 + ---*a2*a4*b24
         4              4
b34=---------------------------------
                     2
                   a1


      3               1              5
     ---*a1*a6*b24 - ---*a2*a4*b1 - ----*a2*a4*b24
      4               4              16
b33=-----------------------------------------------
                            2
                          a1


      3               3
     ---*a1*a6*b24 - ---*a2*a4*b24
      2               8
b32=-------------------------------
                    2
                  a1


      3               3
     ---*a1*a6*b24 - ----*a2*a4*b24
      4               16
b31=--------------------------------
                    2
                  a1


         1     3       1     3
      - ----*a2 *b1 + ----*a2 *b24
         16            64
b30=-------------------------------
                    3
                  a1


      3     2
     ----*a2 *b24
      16
b29=--------------
           2
         a1


         3    2       3     2
      - ---*a2 *b1 + ----*a2 *b24
         8            16
b28=------------------------------
                   2
                 a1


      3
     ---*a2*b24
      4
b27=------------
         a1


      3
     ---*a2*b24
      4
b26=------------
         a1


         1           1
      - ---*a2*b1 + ---*a2*b24
         4           4
b25=---------------------------
                a1


      1     3      3       1     3      3        3     2      2   2
b23=(----*a1 *a4*a6 *b1 - ----*a1 *a4*a6 *b24 - ----*a1 *a2*a4 *a6 *b1
      16                   64                    64

          3     2      2   2         3        2   3
      + -----*a1 *a2*a4 *a6 *b24 + -----*a1*a2 *a4 *a6*b1
         256                        256

          3         2   3            1      3   4        1      3   4        7
      - ------*a1*a2 *a4 *a6*b24 - ------*a2 *a4 *b1 + ------*a2 *a4 *b24)/a1
         1024                       1024                4096


      1    3   3       1     3   3        1     2         2
b22=(---*a1 *a6 *b1 - ----*a1 *a6 *b24 + ----*a1 *a2*a4*a6 *b1
      8                32                 32

          1     2         2         5        2   2
      - -----*a1 *a2*a4*a6 *b24 - -----*a1*a2 *a4 *a6*b1
         128                       128

          5        2   2            3     3   3        3      3   3        6
      + -----*a1*a2 *a4 *a6*b24 + -----*a2 *a4 *b1 - ------*a2 *a4 *b24)/a1
         512                       512                2048


      3    2      2       9     2      2        3          2
b21=(---*a1 *a4*a6 *b1 - ----*a1 *a4*a6 *b24 - ---*a1*a2*a4 *a6*b1
      2                   16                    4

         9           2           3     2   3        9     2   3        5
      + ----*a1*a2*a4 *a6*b24 + ----*a2 *a4 *b1 - -----*a2 *a4 *b24)/a1
         32                      32                256


b20=

  1          2       1           2        1     2             1     2
 ---*a1*a2*a6 *b1 - ----*a1*a2*a6 *b24 - ----*a2 *a4*a6*b1 + ----*a2 *a4*a6*b24
  4                  16                   16                  64
--------------------------------------------------------------------------------
                                        4
                                      a1


      3    2   2       3    2   2        3                    9     2   2
b19=(---*a1 *a6 *b1 - ---*a1 *a6 *b24 + ---*a1*a2*a4*a6*b1 - ----*a2 *a4 *b1
      2                4                 4                    32

         3     2   2        4
      + ----*a2 *a4 *b24)/a1
         64


      3    2   2       3                      3     2   2       3     2   2
     ---*a1 *a6 *b1 - ----*a1*a2*a4*a6*b24 - ----*a2 *a4 *b1 + ----*a2 *a4 *b24
      4                16                     64                64
b18=----------------------------------------------------------------------------
                                          4
                                        a1


                      3                  3       2       3       2
     3*a1*a4*a6*b1 - ---*a1*a4*a6*b24 - ---*a2*a4 *b1 + ---*a2*a4 *b24
                      2                  4               8
b17=-------------------------------------------------------------------
                                      3
                                    a1


                      5                  1       2       5        2
     2*a1*a4*a6*b1 - ---*a1*a4*a6*b24 - ---*a2*a4 *b1 + ----*a2*a4 *b24
                      4                  2               16
b16=--------------------------------------------------------------------
                                      3
                                    a1


                      1                  1       2       1       2
     2*a1*a4*a6*b1 - ---*a1*a4*a6*b24 - ---*a2*a4 *b1 + ---*a2*a4 *b24
                      2                  2               8
b15=-------------------------------------------------------------------
                                      3
                                    a1


      1       2          1        2           1     3           1     3
     ---*a1*a2 *a6*b1 - ----*a1*a2 *a6*b24 - ----*a2 *a4*b1 + -----*a2 *a4*b24
      8                  32                   32               128
b14=---------------------------------------------------------------------------
                                          4
                                        a1


                 1
     a2*a6*b1 - ---*a2*a6*b24
                 4
b13=--------------------------
                 2
               a1


      7                 1                  3     2
     ---*a1*a2*a6*b1 - ---*a1*a2*a6*b24 - ----*a2 *a4*b1
      4                 4                  16
b12=-----------------------------------------------------
                               3
                             a1


                             3
     a1*a6*b1 - a1*a6*b24 + ---*a2*a4*b1
                             4
b11=-------------------------------------
                       2
                     a1


                 1               3              3
     a1*a6*b1 + ---*a1*a6*b24 + ---*a2*a4*b1 - ---*a2*a4*b24
                 2               4              8
b10=---------------------------------------------------------
                                 2
                               a1


                  3              3
    3*a1*a6*b1 + ---*a2*a4*b1 - ---*a2*a4*b24
                  4              4
b9=-------------------------------------------
                         2
                       a1


     3              1              1
    ---*a1*a6*b1 - ---*a2*a4*b1 - ---*a2*a4*b24
     2              8              4
b8=---------------------------------------------
                          2
                        a1


    a4*b1 - a4*b24
b7=----------------
          a1


    3*a4*b1
b6=---------
      a1


b5=0


     3    2
    ---*a2 *b1
     4
b4=------------
         2
       a1


     3
    ---*a2*b1
     2
b3=-----------
       a1


     3
    ---*a2*b1
     2
b2=-----------
       a1


         1                  1     2   2
      - ----*a1*a2*a4*a6 + ----*a2 *a4
         16                 64
a19=------------------------------------
                      3
                    a1


         1              1     2
      - ---*a1*a2*a6 - ----*a2 *a4
         8              32
a18=-------------------------------
                    2
                  a1


         1
      - ---*a2*a4
         4
a17=--------------
          a1


a16=0


         1    2
      - ---*a2
         8
a15=------------
         a1


a14=0


        1
a13= - ---*a2
        4


a12=0


      1    2      2    1           2        1     2   3
     ---*a1 *a4*a6  - ----*a1*a2*a4 *a6 + -----*a2 *a4
      8                16                  128
a11=----------------------------------------------------
                              4
                            a1


      1    2   2    1     2   2
     ---*a1 *a6  - ----*a2 *a4
      4             64
a10=----------------------------
                  3
                a1


     3              3       2
    ---*a1*a4*a6 - ---*a2*a4
     2              8
a9=---------------------------
                 2
               a1


     1              1     2
    ---*a1*a2*a6 - ----*a2 *a4
     4              16
a8=----------------------------
                 2
               a1


             1
    a1*a6 + ---*a2*a4
             4
a7=-------------------
           a1


a5=a4


a3=0


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,b1,a6,a4,a2,a1

Relevance for the application:

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

               5               4           4                   4
df(u,t)=(u  *a1  + u *f(v,v)*a1 *a6 + u *a1 *a2*u + f(v ,v )*a1 *a4
          2x        x                  x               x  x

                       4       3                   3
          + f(v,v  )*a1 *a4 + ---*f(v,v )*f(v,v)*a1 *a4*a6
                 2x            2       x

             3                   2      2             4
          - ---*f(v,v )*f(v,v)*a1 *a2*a4  + f(v,v )*a1 *a6*u
             8       x                           x

             1            3            1        3   2      2
          + ---*f(v,v )*a1 *a2*a4*u + ---*f(v,v) *a1 *a4*a6
             4       x                 8

             1         3         2        1         3   2   3
          - ----*f(v,v) *a1*a2*a4 *a6 + -----*f(v,v) *a2 *a4
             16                          128

             1        2   3   2      1         2      2   2
          + ---*f(v,v) *a1 *a6 *u - ----*f(v,v) *a1*a2 *a4 *u
             4                       64

             1           3        2    1            2   2     2    4
          + ---*f(v,v)*a1 *a2*a6*u  - ----*f(v,v)*a1 *a2 *a4*u )/a1
             4                         16

             1       3         1            2
df(v,t)=( - ---*u *a1 *a2*v - ---*f(v,v )*a1 *a2*a4*v
             4   x             4       x

             1         2                  1         2   2   2
          - ----*f(v,v) *a1*a2*a4*a6*v + ----*f(v,v) *a2 *a4 *v
             16                           64

             1           2              1               2
          - ---*f(v,v)*a1 *a2*a6*u*v - ----*f(v,v)*a1*a2 *a4*u*v
             8                          32

             1    2   2  2      3
          - ---*a1 *a2 *u *v)/a1
             8

               7       3               6          1               5
df(u,s)=(u  *a1 *b1 + ---*u  *f(v,v)*a1 *a6*b1 - ---*u  *f(v,v)*a1 *a2*a4*b1
          3x           2   2x                     8   2x

             1               5              3        6
          - ---*u  *f(v,v)*a1 *a2*a4*b24 + ---*u  *a1 *a2*b1*u
             4   2x                         2   2x

             3    2   6                        6
          + ---*u  *a1 *a2*b1 + 3*u *f(v,v )*a1 *a6*b1
             2   x                 x      x

             3               5             3               5
          + ---*u *f(v,v )*a1 *a2*a4*b1 - ---*u *f(v,v )*a1 *a2*a4*b24
             4   x      x                  4   x      x

             3           2   5   2       3            2   4
          + ---*u *f(v,v) *a1 *a6 *b1 - ----*u *f(v,v) *a1 *a2*a4*a6*b24
             4   x                       16   x

             3            2   3   2   2       3            2   3   2   2
          - ----*u *f(v,v) *a1 *a2 *a4 *b1 + ----*u *f(v,v) *a1 *a2 *a4 *b24
             64   x                           64   x

             7              5               1              5
          + ---*u *f(v,v)*a1 *a2*a6*b1*u - ---*u *f(v,v)*a1 *a2*a6*b24*u
             4   x                          4   x

             3               4   2            3       5   2     2
          - ----*u *f(v,v)*a1 *a2 *a4*b1*u + ---*u *a1 *a2 *b1*u
             16   x                           4   x

                          6                             5
          + 3*f(v ,v  )*a1 *a4*b1 + 2*f(v ,v )*f(v,v)*a1 *a4*a6*b1
                 x  2x                   x  x

             1                    5
          - ---*f(v ,v )*f(v,v)*a1 *a4*a6*b24
             2     x  x

             1                    4      2
          - ---*f(v ,v )*f(v,v)*a1 *a2*a4 *b1
             2     x  x

             1                    4      2                  6
          + ---*f(v ,v )*f(v,v)*a1 *a2*a4 *b24 + f(v ,v )*a1 *a6*b1*u
             8     x  x                             x  x

             1             6             3             5
          + ---*f(v ,v )*a1 *a6*b24*u + ---*f(v ,v )*a1 *a2*a4*b1*u
             2     x  x                  4     x  x

             3             5                          6
          - ---*f(v ,v )*a1 *a2*a4*b24*u + f(v,v  )*a1 *a4*b1
             8     x  x                         3x

                       6                              5
          - f(v,v  )*a1 *a4*b24 + 2*f(v,v  )*f(v,v)*a1 *a4*a6*b1
                 3x                      2x

             5                    5
          - ---*f(v,v  )*f(v,v)*a1 *a4*a6*b24
             4       2x

             1                    4      2
          - ---*f(v,v  )*f(v,v)*a1 *a2*a4 *b1
             2       2x

             5                     4      2                  6
          + ----*f(v,v  )*f(v,v)*a1 *a2*a4 *b24 + f(v,v  )*a1 *a6*b1*u
             16       2x                               2x

                       6             3             5
          - f(v,v  )*a1 *a6*b24*u + ---*f(v,v  )*a1 *a2*a4*b1*u
                 2x                  4       2x

                     2   5             3         2   5
          + 3*f(v,v ) *a1 *a4*a6*b1 - ---*f(v,v ) *a1 *a4*a6*b24
                   x                   2       x

             3         2   4      2       3         2   4      2
          - ---*f(v,v ) *a1 *a2*a4 *b1 + ---*f(v,v ) *a1 *a2*a4 *b24
             4       x                    8       x

             3                2   4      2
          + ---*f(v,v )*f(v,v) *a1 *a4*a6 *b1
             2       x

             9                 2   4      2
          - ----*f(v,v )*f(v,v) *a1 *a4*a6 *b24
             16       x

             3                2   3      2
          - ---*f(v,v )*f(v,v) *a1 *a2*a4 *a6*b1
             4       x

             9                 2   3      2
          + ----*f(v,v )*f(v,v) *a1 *a2*a4 *a6*b24
             32       x

             3                 2   2   2   3
          + ----*f(v,v )*f(v,v) *a1 *a2 *a4 *b1
             32       x

              9                 2   2   2   3
          - -----*f(v,v )*f(v,v) *a1 *a2 *a4 *b24
             256       x

             3                   5   2         3                   5   2
          + ---*f(v,v )*f(v,v)*a1 *a6 *b1*u - ---*f(v,v )*f(v,v)*a1 *a6 *b24*u
             2       x                         4       x

             3                   4
          + ---*f(v,v )*f(v,v)*a1 *a2*a4*a6*b1*u
             4       x

             9                    3   2   2
          - ----*f(v,v )*f(v,v)*a1 *a2 *a4 *b1*u
             32       x

             3                    3   2   2                   5           2
          + ----*f(v,v )*f(v,v)*a1 *a2 *a4 *b24*u + f(v,v )*a1 *a2*a6*b1*u
             64       x                                  x

             1            5            2    1         4   3      3
          - ---*f(v,v )*a1 *a2*a6*b24*u  + ----*f(v,v) *a1 *a4*a6 *b1
             4       x                      16

             1         4   3      3        3         4   2      2   2
          - ----*f(v,v) *a1 *a4*a6 *b24 - ----*f(v,v) *a1 *a2*a4 *a6 *b1
             64                            64

              3         4   2      2   2         3         4      2   3
          + -----*f(v,v) *a1 *a2*a4 *a6 *b24 + -----*f(v,v) *a1*a2 *a4 *a6*b1
             256                                256

              3          4      2   3            1          4   3   4
          - ------*f(v,v) *a1*a2 *a4 *a6*b24 - ------*f(v,v) *a2 *a4 *b1
             1024                               1024

              1          4   3   4        1        3   4   3
          + ------*f(v,v) *a2 *a4 *b24 + ---*f(v,v) *a1 *a6 *b1*u
             4096                         8

             1         3   4   3          1         3   3         2
          - ----*f(v,v) *a1 *a6 *b24*u + ----*f(v,v) *a1 *a2*a4*a6 *b1*u
             32                           32

              1         3   3         2
          - -----*f(v,v) *a1 *a2*a4*a6 *b24*u
             128

              5         3   2   2   2
          - -----*f(v,v) *a1 *a2 *a4 *a6*b1*u
             128

              5         3   2   2   2              3         3      3   3
          + -----*f(v,v) *a1 *a2 *a4 *a6*b24*u + -----*f(v,v) *a1*a2 *a4 *b1*u
             512                                  512

              3          3      3   3          1        2   4      2     2
          - ------*f(v,v) *a1*a2 *a4 *b24*u + ---*f(v,v) *a1 *a2*a6 *b1*u
             2048                              4

             1         2   4      2      2    1         2   3   2           2
          - ----*f(v,v) *a1 *a2*a6 *b24*u  - ----*f(v,v) *a1 *a2 *a4*a6*b1*u
             16                               16

             1         2   3   2            2    1           4   2        3
          + ----*f(v,v) *a1 *a2 *a4*a6*b24*u  + ---*f(v,v)*a1 *a2 *a6*b1*u
             64                                  8

             1            4   2         3    1            3   3        3
          - ----*f(v,v)*a1 *a2 *a6*b24*u  - ----*f(v,v)*a1 *a2 *a4*b1*u
             32                              32

              1            3   3         3    7
          + -----*f(v,v)*a1 *a2 *a4*b24*u )/a1
             128

             1        5            1        5             3          5
df(v,s)=( - ---*u  *a1 *a2*b1*v + ---*u  *a1 *a2*b24*v + ---*u *v *a1 *a2*b24
             4   2x                4   2x                 4   x  x

             1              4               1               4
          - ---*u *f(v,v)*a1 *a2*a6*b1*v + ----*u *f(v,v)*a1 *a2*a6*b24*v
             4   x                          16   x

             3               3   2             3       4   2
          + ----*u *f(v,v)*a1 *a2 *a4*b24*v - ---*u *a1 *a2 *b1*u*v
             64   x                            8   x

             3        4   2                 6        3               5
          + ----*u *a1 *a2 *b24*u*v + v  *a1 *b24 + ---*v  *f(v,v)*a1 *a6*b24
             16   x                    3x            4   2x

             3                4              3        5
          - ----*v  *f(v,v)*a1 *a2*a4*b24 + ---*v  *a1 *a2*b24*u
             16   2x                         4   2x

             3               5           3               4
          + ---*v *f(v,v )*a1 *a6*b24 - ---*v *f(v,v )*a1 *a2*a4*b24
             2   x      x                8   x      x

             3            2   4   2        3            2   3
          + ----*v *f(v,v) *a1 *a6 *b24 - ----*v *f(v,v) *a1 *a2*a4*a6*b24
             16   x                        32   x

              3            2   2   2   2        3              4
          + -----*v *f(v,v) *a1 *a2 *a4 *b24 + ---*v *f(v,v)*a1 *a2*a6*b24*u
             256   x                            8   x

             3               3   2             3        4   2      2
          - ----*v *f(v,v)*a1 *a2 *a4*b24*u + ----*v *a1 *a2 *b24*u
             32   x                            16   x

             3             5             1             4
          + ---*f(v ,v )*a1 *a6*b24*v - ---*f(v ,v )*a1 *a2*a4*b1*v
             4     x  x                  4     x  x

             5              4                1             4
          - ----*f(v ,v )*a1 *a2*a4*b24*v - ---*f(v,v  )*a1 *a2*a4*b1*v
             16     x  x                     4       2x

             1             4                3                   3
          + ---*f(v,v  )*a1 *a2*a4*b24*v - ---*f(v,v )*f(v,v)*a1 *a2*a4*a6*b1*v
             4       2x                     8       x

             3                    3
          + ----*f(v,v )*f(v,v)*a1 *a2*a4*a6*b24*v
             16       x

             3                    2   2   2
          + ----*f(v,v )*f(v,v)*a1 *a2 *a4 *b1*v
             32       x

             3                    2   2   2          1            4
          - ----*f(v,v )*f(v,v)*a1 *a2 *a4 *b24*v - ---*f(v,v )*a1 *a2*a6*b1*u*v
             64       x                              4       x

             1            4                  3             3   2
          + ---*f(v,v )*a1 *a2*a6*b24*u*v - ----*f(v,v )*a1 *a2 *a4*b1*u*v
             4       x                       16       x

             1         3   2         2          1         3   2         2
          - ----*f(v,v) *a1 *a2*a4*a6 *b1*v + -----*f(v,v) *a1 *a2*a4*a6 *b24*v
             32                                128

             1         3      2   2             1         3      2   2
          + ----*f(v,v) *a1*a2 *a4 *a6*b1*v - -----*f(v,v) *a1*a2 *a4 *a6*b24*v
             64                                256

              1         3   3   3          1          3   3   3
          - -----*f(v,v) *a2 *a4 *b1*v + ------*f(v,v) *a2 *a4 *b24*v
             512                          2048

             1         2   3      2           1         2   3      2
          - ----*f(v,v) *a1 *a2*a6 *b1*u*v + ----*f(v,v) *a1 *a2*a6 *b24*u*v
             16                               64

             1         2   2   2
          - ----*f(v,v) *a1 *a2 *a4*a6*b1*u*v
             32

              1         2   2   2
          + -----*f(v,v) *a1 *a2 *a4*a6*b24*u*v
             128

              3         2      3   2            3          2      3   2
          + -----*f(v,v) *a1*a2 *a4 *b1*u*v - ------*f(v,v) *a1*a2 *a4 *b24*u*v
             256                               1024

             1           3   2        2      1            3   2         2
          - ---*f(v,v)*a1 *a2 *a6*b1*u *v + ----*f(v,v)*a1 *a2 *a6*b24*u *v
             8                               32

             1     3   3     3      1     3   3      3      6
          - ----*a1 *a2 *b1*u *v + ----*a1 *a2 *b24*u *v)/a1
             16                     64