Solution 12 to problem l112o13


Expressions | Parameters | Relevance | Back to problem l112o13

Expressions

The solution is given through the following expressions:

     1
b42=---*b22
     8


b41=0


b40=b18 - b39


b38=0


b37=0


b36=0


b35=0


b34= - b31 + b8


b33=b8


     1              1
b32=---*b10 - b8 + ---*b9
     2              2


b30=0


b29=0


b28=0


b27=0


b26=0


b25=0


b24=0


b20=0


b19=4*b18


b14=0


b13=0


b12=0


b11=b10


b5=0


b4=0


b3=0


b2=0


b1=0


a8=0


a7=0


a5=0


a4=0


a2=0


a0=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:
 b39, b31, b23, b22, b21, b18, b17, b16, b15, b10, b9, 
b8, b6, b7, a3

Relevance for the application:

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df(u,t)=u *a6 + f(v,v )*a3
         x           x

df(v,t)=v *a6
         x

                                                 2
df(u,s)=u  *f(v,v)*b8 + u *f(v,v )*b9 + u *f(v,v) *b18 + f(v ,v  )*b6
         2x              x      x        x                  x  2x

 + f(v ,v )*f(v,v)*b15 + f(v ,v )*b10*u + f(v,v  )*b7 + f(v,v  )*f(v,v)*b16
      x  x                  x  x               3x            2x

                           2                     2
 + f(v,v  )*b10*u + f(v,v ) *b17 + f(v,v )*f(v,v) *b21 + 4*f(v,v )*f(v,v)*b18*u
        2x               x              x                       x

         4             3
 + f(v,v) *b23 + f(v,v) *b22*u

                          1                                    1
df(v,s)=v  *f(v,v)*b31 + ---*v *f(v,v )*b10 - v *f(v,v )*b8 + ---*v *f(v,v )*b9
         2x               2   x      x         x      x        2   x      x

            2
 + v *f(v,v) *b39 + f(v ,v )*b8*v - f(v,v  )*b31*v + f(v,v  )*b8*v
    x                  x  x              2x               2x

                                                  1        3
 + f(v,v )*f(v,v)*b18*v - f(v,v )*f(v,v)*b39*v + ---*f(v,v) *b22*v
        x                      x                  8