Solution 3 to problem l1o23


Expressions | Parameters | Relevance | Back to problem l1o23

Expressions

The solution is given through the following expressions:

b21=0


     a4*a7*b1
b20=----------
         2
       a1


     a4*a7*b1
b19=----------
         2
       a1


b18=0


         2
     4*a7 *b1
b17=----------
         2
       a1


         2
     4*a7 *b1
b16=----------
         2
       a1


b15=0


     2*a7*b1
b14=---------
       a1


     a7*b1
b13=-------
      a1


b12=0


b11=0


b10=0


     4*a4*a7*b1
 b9=------------
          2
        a1


    2*a4*a7*b1
b8=------------
         2
       a1


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


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


b5=0


         2
    12*a7 *b1
b4=-----------
         2
       a1


    6*a7*b1
b3=---------
      a1


    6*a7*b1
b2=---------
      a1


a10=0


 a9=0


a8=2*a7


a6=0


a5=0


a3=0


a2=4*a7


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,a1

Relevance for the application:

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df(u,t)=u  *a1 + 4*u *a7*u + f(v,v )*a4
         2x         x             x

df(v,t)=u *a7*v + 2*v *a7*u
         x           x

               2                             2
df(u,s)=(u  *a1 *b1 + 6*u  *a1*a7*b1*u + 6*u  *a1*a7*b1 + 2*u *f(v,v)*a4*a7*b1
          3x             2x                 x                x

                    2     2
          + 12*u *a7 *b1*u  + f(v ,v )*a1*a4*b1 + f(v,v  )*a1*a4*b1
                x                x  x                  2x

                                    2
          + 4*f(v,v )*a4*a7*b1*u)/a1
                   x

                                                    2
df(v,s)=(u  *a1*a7*b1*v + 2*u *v *a1*a7*b1 + 4*u *a7 *b1*u*v
          2x                 x  x               x

                                        2     2                         2
          + v *f(v,v)*a4*a7*b1 + 4*v *a7 *b1*u  + f(v,v )*a4*a7*b1*v)/a1
             x                      x                  x