Solution 5 to problem l21o35


Expressions | Parameters | Relevance | Back to problem l21o35

Expressions

The solution is given through the following expressions:

      35    2
     ----*a6 *b23
      36
b40=--------------
           2
         a8


      35     2
     -----*a6 *b23
      288
b39=---------------
            2
          a8


      20
     ----*a2*a6*b23
      9
b38=----------------
            2
          a8


      25
     ----*a2*a6*b23
      36
b37=----------------
            2
          a8


      35
     ----*a2*a6*b23
      36
b36=----------------
            2
          a8


      5
     ---*a6*b23
      2
b35=------------
         a8


      35
     ----*a6*b23
      6
b34=-------------
         a8


      10
     ----*a6*b23
      3
b33=-------------
         a8


      35
     ----*a6*b23
      12
b32=-------------
         a8


      5
     ---*a6*b23
      2
b31=------------
         a8


      5
     ----*a6*b23
      12
b30=-------------
         a8


      5    2
     ---*a2 *b23
      6
b29=-------------
           2
         a8


      5    2
     ---*a2 *b23
      3
b28=-------------
           2
         a8


      5
     ---*a2*b23
      3
b27=------------
         a8


      10
     ----*a2*b23
      3
b26=-------------
         a8


      10
     ----*a2*b23
      3
b25=-------------
         a8


      5
     ---*a2*b23
      3
b24=------------
         a8


b22=0


      35    2
     ----*a6 *b23
      36
b21=--------------
           2
         a8


      35     2
     -----*a6 *b23
      288
b20=---------------
            2
          a8


      35    2
     ----*a6 *b23
      4
b19=--------------
        a2*a8


      35    2
     ----*a6 *b23
      24
b18=--------------
        a2*a8


      35    2
     ----*a6 *b23
      4
b17=--------------
        a2*a8


      35    2
     ----*a6 *b23
      8
b16=--------------
        a2*a8


      5
     ---*a2*a6*b23
      3
b15=---------------
            2
          a8


      5
     ---*a2*a6*b23
      4
b14=---------------
            2
          a8


      25
     ----*a6*b23
      6
b13=-------------
         a8


      65
     ----*a6*b23
      6
b12=-------------
         a8


      25
     ----*a6*b23
      3
b11=-------------
         a8


      95
     ----*a6*b23
      12
b10=-------------
         a8


     15
    ----*a6*b23
     2
b9=-------------
        a8


     5
    ---*a6*b23
     4
b8=------------
        a8


     5
    ---*a6*b23
     2
b7=------------
        a2


    10*a6*b23
b6=-----------
       a2


     35
    ----*a6*b23
     2
b5=-------------
        a2


     5    2
    ---*a2 *b23
     6
b4=-------------
          2
        a8


     10
    ----*a2*b23
     3
b3=-------------
        a8


     5
    ---*a2*b23
     3
b2=------------
        a8


b1=b23


a12=a6


     1
a11=---*a6
     4


a10=a2


a9=a2


a7=0


a6=a6


    1
a5=---*a6
    4


     3
    ---*a6*a8
     2
a4=-----------
       a2


     9
    ---*a6*a8
     2
a3=-----------
       a2


a1=a8


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,a2,a6,a8

Relevance for the application:

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                      1                         2      9
df(u,t)=(u  *a2*a8 + ---*u *f(v,v)*a2*a6 + u *a2 *u + ---*f(v ,v  )*a6*a8
          3x          4   x                 x          2     x  2x

             3
          + ---*f(v,v  )*a6*a8 + f(v,v )*a2*a6*u)/a2
             2       3x               x

                            1
df(v,t)=u *a2*v + v  *a8 + ---*v *f(v,v)*a6 + v *a2*u + f(v,v )*a6*v
         x         3x       4   x              x             x

                  2        5                             5        2
df(u,s)=(u  *a2*a8 *b23 + ---*u  *f(v,v)*a2*a6*a8*b23 + ---*u  *a2 *a8*b23*u
          5x               4   3x                        3   3x

             10           2           15
          + ----*u  *u *a2 *a8*b23 + ----*u  *f(v,v )*a2*a6*a8*b23
             3    2x  x               2    2x      x

             95                              25
          + ----*u *f(v ,v )*a2*a6*a8*b23 + ----*u *f(v,v  )*a2*a6*a8*b23
             12   x    x  x                  3    x      2x

             35            2      2        5              2
          + -----*u *f(v,v) *a2*a6 *b23 + ---*u *f(v,v)*a2 *a6*b23*u
             288   x                       4   x

             5       3      2    35                  2
          + ---*u *a2 *b23*u  + ----*f(v  ,v  )*a6*a8 *b23
             6   x               2      2x  3x

                              2        35                     2
          + 10*f(v ,v  )*a6*a8 *b23 + ----*f(v ,v  )*f(v,v)*a6 *a8*b23
                  x  4x                8      x  2x

             65                              35                     2
          + ----*f(v ,v  )*a2*a6*a8*b23*u + ----*f(v ,v )*f(v,v )*a6 *a8*b23
             6      x  2x                    4      x  x       x

             5                2        35                    2
          + ---*f(v,v  )*a6*a8 *b23 + ----*f(v,v  )*f(v,v)*a6 *a8*b23
             2       5x                24       3x

             25                             35                     2
          + ----*f(v,v  )*a2*a6*a8*b23*u + ----*f(v,v  )*f(v,v )*a6 *a8*b23
             6        3x                    4        2x       x

             35                      2          5            2         2
          + ----*f(v,v )*f(v,v)*a2*a6 *b23*u + ---*f(v,v )*a2 *a6*b23*u )/(a2
             36       x                         3       x

      2
   *a8 )

          5                     10                      10
df(v,s)=(---*u  *a2*a8*b23*v + ----*u  *v *a2*a8*b23 + ----*u *v  *a2*a8*b23
          3   3x                3    2x  x              3    x  2x

             35                           5       2                 2
          + ----*u *f(v,v)*a2*a6*b23*v + ---*u *a2 *b23*u*v + v  *a8 *b23
             36   x                       3   x                5x

             5                           5
          + ----*v  *f(v,v)*a6*a8*b23 + ---*v  *a2*a8*b23*u
             12   3x                     3   3x

             5                           35
          + ---*v  *f(v,v )*a6*a8*b23 + ----*v *f(v ,v )*a6*a8*b23
             2   2x      x               12   x    x  x

             10                           35            2   2
          + ----*v *f(v,v  )*a6*a8*b23 + -----*v *f(v,v) *a6 *b23
             3    x      2x               288   x

             25                           5       2      2
          + ----*v *f(v,v)*a2*a6*b23*u + ---*v *a2 *b23*u
             36   x                       6   x

             35                           5
          + ----*f(v ,v  )*a6*a8*b23*v + ---*f(v,v  )*a6*a8*b23*v
             6      x  2x                 2       3x

             35                   2          20                           2
          + ----*f(v,v )*f(v,v)*a6 *b23*v + ----*f(v,v )*a2*a6*b23*u*v)/a8
             36       x                      9        x