Solution 20 to problem l21o35


Expressions | Parameters | Relevance | Back to problem l21o35

Expressions

The solution is given through the following expressions:

       4   2       5    2       2          3     2   4
     a1 *a7 *b1 - ---*a1 *a10*a4 *a7*b1 + ---*a10 *a4 *b1
                   2                       2
b40=------------------------------------------------------
                             4   2
                           a1 *a4


      3     2   2
     ---*a10 *a4 *b1
      8
b39=-----------------
             4
           a1


          2                2   2
      - a1 *a10*a7*b1 + a10 *a4 *b1
b38=--------------------------------
                   3
                 a1 *a4


      3     2
     ---*a10 *a4*b1
      2
b37=----------------
            3
          a1


b36=0


b35=0


b34=0


     a10*a4*b1
b33=-----------
          2
        a1


     a10*a4*b1
b32=-----------
          2
        a1


b31=0


b30=0


      3     2
     ---*a10 *b1
      2
b29=-------------
           2
         a1


b28=0


b27=0


b26=0


     a10*b1
b25=--------
       a1


b24=0


b23=0


          2   2       5        2
      - a1 *a7 *b1 + ---*a10*a4 *a7*b1
                      2
b22=-----------------------------------
                    3
                  a1 *a4


       2                  2   2
     a1 *a10*a7*b1 + 5*a10 *a4 *b1
b21=-------------------------------
                    4
                  a1


      15     2   2
     ----*a10 *a4 *b1
      8
b20=------------------
             4
           a1


             2
     9*a10*a4 *b1
b19=--------------
           3
         a1


      5        2
     ---*a10*a4 *b1
      2
b18=----------------
            3
          a1


             2
     9*a10*a4 *b1
b17=--------------
           3
         a1


      15        2
     ----*a10*a4 *b1
      2
b16=-----------------
             3
           a1


          2
     6*a10 *a4*b1
b15=--------------
           3
         a1


      15     2
     ----*a10 *a4*b1
      2
b14=-----------------
             3
           a1


     5*a10*a4*b1
b13=-------------
           2
         a1


     15*a10*a4*b1
b12=--------------
           2
         a1


     10*a10*a4*b1
b11=--------------
           2
         a1


     10*a10*a4*b1
b10=--------------
           2
         a1


    9*a10*a4*b1
b9=-------------
          2
        a1


     5
    ---*a10*a4*b1
     2
b8=---------------
           2
         a1


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


    5*a4*b1
b6=---------
      a1


    10*a4*b1
b5=----------
       a1


     15     2
    ----*a10 *b1
     2
b4=--------------
          2
        a1


    10*a10*b1
b3=-----------
       a1


    5*a10*b1
b2=----------
       a1


          2            2
      - a1 *a7 + a10*a4
a12=---------------------
            a1*a4


      1
     ---*a10*a4
      2
a11=------------
         a1


a9=0


a8=0


    2*a10*a4
a6=----------
       a1


     3
    ---*a10*a4
     2
a5=------------
        a1


a3=3*a4


a2=3*a10


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:
 b1,a7,a4,a10,a1

Relevance for the application:

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

               2    3
df(u,t)=(u  *a1  + ---*u *f(v,v)*a10*a4 + 3*u *a1*a10*u + 3*f(v ,v  )*a1*a4
          3x        2   x                    x                 x  2x

          + f(v,v  )*a1*a4 + f(v,v )*f(v,v)*a1*a7 + 2*f(v,v )*a10*a4*u)/a1
                 3x               x                        x

df(v,t)=

  1                  2                              2                      2
 ---*v *f(v,v)*a10*a4  + v *a1*a10*a4*u - f(v,v )*a1 *a7*v + f(v,v )*a10*a4 *v
  2   x                   x                    x                  x
-------------------------------------------------------------------------------
                                     a1*a4

               4          5               2       2              3
df(u,s)=(u  *a1 *a4*b1 + ---*u  *f(v,v)*a1 *a10*a4 *b1 + 5*u  *a1 *a10*a4*b1*u
          5x              2   3x                            3x

                        3                             2       2
          + 10*u  *u *a1 *a10*a4*b1 + 9*u  *f(v,v )*a1 *a10*a4 *b1
                2x  x                    2x      x

                             2       2                       2       2
          + 10*u *f(v ,v )*a1 *a10*a4 *b1 + 10*u *f(v,v  )*a1 *a10*a4 *b1
                x    x  x                       x      2x

             15           2    2   3       15                  2   2
          + ----*u *f(v,v) *a10 *a4 *b1 + ----*u *f(v,v)*a1*a10 *a4 *b1*u
             8    x                        2    x

             15       2    2        2                   3   2
          + ----*u *a1 *a10 *a4*b1*u  + 10*f(v  ,v  )*a1 *a4 *b1
             2    x                           2x  3x

                          3   2       15                            3
          + 5*f(v ,v  )*a1 *a4 *b1 + ----*f(v ,v  )*f(v,v)*a1*a10*a4 *b1
                 x  4x                2      x  2x

                           2       2                                    3
          + 15*f(v ,v  )*a1 *a10*a4 *b1*u + 9*f(v ,v )*f(v,v )*a1*a10*a4 *b1
                  x  2x                          x  x       x

                       3   2       5                           3
          + f(v,v  )*a1 *a4 *b1 + ---*f(v,v  )*f(v,v)*a1*a10*a4 *b1
                 5x                2       3x

                         2       2                                    3
          + 5*f(v,v  )*a1 *a10*a4 *b1*u + 9*f(v,v  )*f(v,v )*a1*a10*a4 *b1
                   3x                            2x       x

                          2   3   2       5                2          2
          - f(v,v )*f(v,v) *a1 *a7 *b1 + ---*f(v,v )*f(v,v) *a1*a10*a4 *a7*b1
                 x                        2       x

                             2                                      2   3
          + f(v,v )*f(v,v)*a1 *a10*a4*a7*b1*u + 5*f(v,v )*f(v,v)*a10 *a4 *b1*u
                 x                                     x

                            2   2     2     4
          + 6*f(v,v )*a1*a10 *a4 *b1*u )/(a1 *a4)
                   x

                  3       2                    2       3
df(v,s)=(u  *v *a1 *a10*a4 *b1 + v *f(v ,v )*a1 *a10*a4 *b1
          2x  x                   x    x  x

                          2       3       3           2    2   4
          + v *f(v,v  )*a1 *a10*a4 *b1 + ---*v *f(v,v) *a10 *a4 *b1
             x      2x                    8   x

             3                  2   3         3       2    2   2     2
          + ---*v *f(v,v)*a1*a10 *a4 *b1*u + ---*v *a1 *a10 *a4 *b1*u
             2   x                            2   x

                             4   2         5                   2       2
          + f(v,v )*f(v,v)*a1 *a7 *b1*v - ---*f(v,v )*f(v,v)*a1 *a10*a4 *a7*b1*v
                 x                         2       x

             3                    2   4                  3
          + ---*f(v,v )*f(v,v)*a10 *a4 *b1*v - f(v,v )*a1 *a10*a4*a7*b1*u*v
             2       x                              x

                          2   3            4   2
          + f(v,v )*a1*a10 *a4 *b1*u*v)/(a1 *a4 )
                 x