Solution 22 to problem l21o35


Expressions | Parameters | Relevance | Back to problem l21o35

Expressions

The solution is given through the following expressions:

      5     2   2        5          2        5    2   2
     ----*a3 *a9 *b23 - ---*a3*a4*a9 *b23 + ---*a4 *a9 *b23
      54                 6                   9
b40=--------------------------------------------------------
                                4
                              a8


      25     2   2        5          2        5     2   2
     -----*a3 *a9 *b23 - ---*a3*a4*a9 *b23 + ----*a4 *a9 *b23
      108                 9                   36
b39=----------------------------------------------------------
                                 4
                               a8


      5       2        10       2
     ---*a3*a9 *b23 - ----*a4*a9 *b23
      9                9
b38=----------------------------------
                     3
                   a8


      10       2        5       2
     ----*a3*a9 *b23 - ---*a4*a9 *b23
      9                 9
b37=----------------------------------
                     3
                   a8


      5       2        5       2
     ---*a3*a9 *b23 - ---*a4*a9 *b23
      9                9
b36=---------------------------------
                     3
                   a8


         10
      - ----*a4*a9*b23
         9
b35=-------------------
              2
            a8


      5               10
     ---*a3*a9*b23 - ----*a4*a9*b23
      9               3
b34=--------------------------------
                    2
                  a8


      5               25
     ---*a3*a9*b23 - ----*a4*a9*b23
      3               9
b33=--------------------------------
                    2
                  a8


      10               25
     ----*a3*a9*b23 - ----*a4*a9*b23
      9                9
b32=---------------------------------
                     2
                   a8


      5               10
     ---*a3*a9*b23 - ----*a4*a9*b23
      3               3
b31=--------------------------------
                    2
                  a8


      5               5
     ---*a3*a9*b23 - ---*a4*a9*b23
      6               6
b30=-------------------------------
                    2
                  a8


      5    2
     ---*a9 *b23
      9
b29=-------------
           2
         a8


      10    2
     ----*a9 *b23
      9
b28=--------------
           2
         a8


      5
     ---*a9*b23
      3
b27=------------
         a8


      10
     ----*a9*b23
      3
b26=-------------
         a8


      25
     ----*a9*b23
      9
b25=-------------
         a8


      10
     ----*a9*b23
      9
b24=-------------
         a8


b22

   5     3   2        5     2      2        5       2   2        5    3   2
  ----*a3 *a9 *b23 - ----*a3 *a4*a9 *b23 - ---*a3*a4 *a9 *b23 + ---*a4 *a9 *b23
   54                 54                    6                    6
=-------------------------------------------------------------------------------
                                         5
                                       a8


      20    2   2        20    2   2
     ----*a3 *a9 *b23 - ----*a4 *a9 *b23
      27                 9
b21=-------------------------------------
                       4
                     a8


       5     2   2        5           2        25    2   2
     -----*a3 *a9 *b23 + ----*a3*a4*a9 *b23 - ----*a4 *a9 *b23
      108                 18                   36
b20=-----------------------------------------------------------
                                  4
                                a8


      5    2           25                  20    2
     ---*a3 *a9*b23 + ----*a3*a4*a9*b23 - ----*a4 *a9*b23
      9                9                   3
b19=------------------------------------------------------
                               3
                             a8


      5     2           5                  20    2
     ----*a3 *a9*b23 + ---*a3*a4*a9*b23 - ----*a4 *a9*b23
      27                9                  9
b18=------------------------------------------------------
                               3
                             a8


      10    2           10    2
     ----*a3 *a9*b23 - ----*a4 *a9*b23
      9                 3
b17=-----------------------------------
                      3
                    a8


      5    2           25    2
     ---*a3 *a9*b23 - ----*a4 *a9*b23
      6                6
b16=----------------------------------
                     3
                   a8


      10       2        10       2
     ----*a3*a9 *b23 + ----*a4*a9 *b23
      9                 9
b15=-----------------------------------
                      3
                    a8


      5       2        5       2
     ---*a3*a9 *b23 + ---*a4*a9 *b23
      9                3
b14=---------------------------------
                     3
                   a8


      10               20
     ----*a3*a9*b23 + ----*a4*a9*b23
      9                9
b13=---------------------------------
                     2
                   a8


      25               5
     ----*a3*a9*b23 + ---*a4*a9*b23
      9                3
b12=--------------------------------
                    2
                  a8


      5               35
     ---*a3*a9*b23 + ----*a4*a9*b23
      9               9
b11=--------------------------------
                    2
                  a8


      10               5
     ----*a3*a9*b23 + ---*a4*a9*b23
      9                9
b10=--------------------------------
                    2
                  a8


     10
    ----*a4*a9*b23
     3
b9=----------------
           2
         a8


        5                25
     - ----*a3*a9*b23 + ----*a4*a9*b23
        18               18
b8=------------------------------------
                     2
                   a8


     10
    ----*a4*b23
     9
b7=-------------
        a8


     10            5
    ----*a3*b23 + ---*a4*b23
     9             9
b6=--------------------------
               a8


     5            10
    ---*a3*b23 + ----*a4*b23
     3            9
b5=--------------------------
               a8


        5    2
     - ---*a9 *b23
        9
b4=----------------
           2
         a8


        5
     - ---*a9*b23
        9
b3=---------------
         a8


        5
     - ---*a9*b23
        9
b2=---------------
         a8


       1
b1= - ---*b23
       9


      - a4*a9
a12=----------
        a8


      1           1
     ---*a3*a9 - ---*a4*a9
      2           2
a11=-----------------------
              a8


a10=a9


     1    2       3    2
    ---*a3 *a9 - ---*a4 *a9
     6            2
a7=-------------------------
                2
              a8


    a3*a9 + a4*a9
a6=---------------
         a8


    a4*a9
a5=-------
     a8


a2=0


a1=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:
 b23,a4,a3,a9,a8

Relevance for the application:

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

                                             2                 2
df(u,t)=(u *f(v,v)*a4*a8*a9 + f(v ,v  )*a3*a8  + f(v,v  )*a4*a8
          x                      x  2x                3x

             1                   2       3                   2
          + ---*f(v,v )*f(v,v)*a3 *a9 - ---*f(v,v )*f(v,v)*a4 *a9
             6       x                   2       x

                                                       2
          + f(v,v )*a3*a8*a9*u + f(v,v )*a4*a8*a9*u)/a8
                 x                    x

                            2    1                     1
df(v,t)=(u *a8*a9*v + v  *a8  + ---*v *f(v,v)*a3*a9 - ---*v *f(v,v)*a4*a9
          x            3x        2   x                 2   x

          + v *a8*a9*u - f(v,v )*a4*a9*v)/a8
             x                x

             1        5        5                   3
df(u,s)=( - ---*u  *a8 *b23 - ----*u  *f(v,v)*a3*a8 *a9*b23
             9   5x            18   3x

             25                  3           5        4
          + ----*u  *f(v,v)*a4*a8 *a9*b23 - ---*u  *a8 *a9*b23*u
             18   3x                         9   3x

             5           4           10                   3
          - ---*u  *u *a8 *a9*b23 + ----*u  *f(v,v )*a4*a8 *a9*b23
             9   2x  x               3    2x      x

             10                   3           5                   3
          + ----*u *f(v ,v )*a3*a8 *a9*b23 + ---*u *f(v ,v )*a4*a8 *a9*b23
             9    x    x  x                   9   x    x  x

             5                   3           35                   3
          + ---*u *f(v,v  )*a3*a8 *a9*b23 + ----*u *f(v,v  )*a4*a8 *a9*b23
             9   x      2x                   9    x      2x

              5            2   2      2        5            2            2
          + -----*u *f(v,v) *a3 *a8*a9 *b23 + ----*u *f(v,v) *a3*a4*a8*a9 *b23
             108   x                           18   x

             25           2   2      2        5                 2   2
          - ----*u *f(v,v) *a4 *a8*a9 *b23 + ---*u *f(v,v)*a3*a8 *a9 *b23*u
             36   x                           9   x

             5                 2   2          5       3   2      2
          + ---*u *f(v,v)*a4*a8 *a9 *b23*u - ---*u *a8 *a9 *b23*u
             3   x                            9   x

             5                  4        10                  4
          + ---*f(v  ,v  )*a3*a8 *b23 + ----*f(v  ,v  )*a4*a8 *b23
             3     2x  3x                9      2x  3x

             10                 4        5                 4
          + ----*f(v ,v  )*a3*a8 *b23 + ---*f(v ,v  )*a4*a8 *b23
             9      x  4x                9     x  4x

             5                     2   2
          + ---*f(v ,v  )*f(v,v)*a3 *a8 *a9*b23
             6     x  2x

             25                     2   2
          - ----*f(v ,v  )*f(v,v)*a4 *a8 *a9*b23
             6      x  2x

             25                 3             5                 3
          + ----*f(v ,v  )*a3*a8 *a9*b23*u + ---*f(v ,v  )*a4*a8 *a9*b23*u
             9      x  2x                     3     x  2x

             10                     2   2
          + ----*f(v ,v )*f(v,v )*a3 *a8 *a9*b23
             9      x  x       x

             10                     2   2           10                4
          - ----*f(v ,v )*f(v,v )*a4 *a8 *a9*b23 + ----*f(v,v  )*a4*a8 *b23
             3      x  x       x                    9        5x

             5                     2   2
          + ----*f(v,v  )*f(v,v)*a3 *a8 *a9*b23
             27       3x

             5                          2
          + ---*f(v,v  )*f(v,v)*a3*a4*a8 *a9*b23
             9       3x

             20                    2   2           10                3
          - ----*f(v,v  )*f(v,v)*a4 *a8 *a9*b23 + ----*f(v,v  )*a3*a8 *a9*b23*u
             9        3x                           9        3x

             20                3             5                     2   2
          + ----*f(v,v  )*a4*a8 *a9*b23*u + ---*f(v,v  )*f(v,v )*a3 *a8 *a9*b23
             9        3x                     9       2x       x

             25                           2
          + ----*f(v,v  )*f(v,v )*a3*a4*a8 *a9*b23
             9        2x       x

             20                     2   2
          - ----*f(v,v  )*f(v,v )*a4 *a8 *a9*b23
             3        2x       x

             5                 2   3   2
          + ----*f(v,v )*f(v,v) *a3 *a9 *b23
             54       x

             5                 2   2      2
          - ----*f(v,v )*f(v,v) *a3 *a4*a9 *b23
             54       x

             5                2      2   2        5                2   3   2
          - ---*f(v,v )*f(v,v) *a3*a4 *a9 *b23 + ---*f(v,v )*f(v,v) *a4 *a9 *b23
             6       x                            6       x

             20                   2      2
          + ----*f(v,v )*f(v,v)*a3 *a8*a9 *b23*u
             27       x

             20                   2      2
          - ----*f(v,v )*f(v,v)*a4 *a8*a9 *b23*u
             9        x

             10               2   2      2    10               2   2      2    5
          + ----*f(v,v )*a3*a8 *a9 *b23*u  + ----*f(v,v )*a4*a8 *a9 *b23*u )/a8
             9        x                       9        x

          10        3             25           3           10           3
df(v,s)=(----*u  *a8 *a9*b23*v + ----*u  *v *a8 *a9*b23 + ----*u *v  *a8 *a9*b23
          9    3x                 9    2x  x               3    x  2x

             5                    2          5                    2
          + ---*u *f(v,v)*a3*a8*a9 *b23*v - ---*u *f(v,v)*a4*a8*a9 *b23*v
             9   x                           9   x

             10       2   2                 4        5                  2
          + ----*u *a8 *a9 *b23*u*v + v  *a8 *b23 + ---*v  *f(v,v)*a3*a8 *a9*b23
             9    x                    5x            6   3x

             5                  2           5        3
          - ---*v  *f(v,v)*a4*a8 *a9*b23 + ---*v  *a8 *a9*b23*u
             6   3x                         3   3x

             5                   2           10                   2
          + ---*v  *f(v,v )*a3*a8 *a9*b23 - ----*v  *f(v,v )*a4*a8 *a9*b23
             3   2x      x                   3    2x      x

             10                   2           25                   2
          + ----*v *f(v ,v )*a3*a8 *a9*b23 - ----*v *f(v ,v )*a4*a8 *a9*b23
             9    x    x  x                   9    x    x  x

             5                   2           25                   2
          + ---*v *f(v,v  )*a3*a8 *a9*b23 - ----*v *f(v,v  )*a4*a8 *a9*b23
             3   x      2x                   9    x      2x

             25            2   2   2        5           2         2
          + -----*v *f(v,v) *a3 *a9 *b23 - ---*v *f(v,v) *a3*a4*a9 *b23
             108   x                        9   x

             5            2   2   2        10                    2
          + ----*v *f(v,v) *a4 *a9 *b23 + ----*v *f(v,v)*a3*a8*a9 *b23*u
             36   x                        9    x

             5                    2          5       2   2      2
          - ---*v *f(v,v)*a4*a8*a9 *b23*u + ---*v *a8 *a9 *b23*u
             9   x                           9   x

             5                 2             10                 2
          + ---*f(v ,v  )*a3*a8 *a9*b23*v - ----*f(v ,v  )*a4*a8 *a9*b23*v
             9     x  2x                     3      x  2x

             10                2             5                    2   2
          - ----*f(v,v  )*a4*a8 *a9*b23*v + ----*f(v,v )*f(v,v)*a3 *a9 *b23*v
             9        3x                     54       x

             5                         2
          - ---*f(v,v )*f(v,v)*a3*a4*a9 *b23*v
             6       x

             5                   2   2          5                  2
          + ---*f(v,v )*f(v,v)*a4 *a9 *b23*v + ---*f(v,v )*a3*a8*a9 *b23*u*v
             9       x                          9       x

             10                  2            4
          - ----*f(v,v )*a4*a8*a9 *b23*u*v)/a8
             9        x