Solution 19 to problem l1o35


Expressions | Parameters | Relevance | Back to problem l1o35

Expressions

The solution is given through the following expressions:

b75=(3/2*a22**2*b2)/(a14*a2)

b74=(3*a22**2*b2)/a14**2

b73=0

b72=( - 6*a14**2*a22*b2)/a2**3

b71=( - 6*a14*a22*b2)/a2**2

b70=0

b69=0

b68=(2*a22*b2)/a2

b67=(2*a22*b2)/a2

b66=0

b65=0

b64=(6*a22*b2)/a2

b63=0

b62=(3*a22*b2)/a2

b61=(a22*b2)/a14

b60=(3*a22*b2)/a14

b59=0

b58=0

b57=0

b56=0

b55=(6*a14**5*b2)/a2**5

b54=0

b53=0

b52=0

b51=0

b50=( - 10*a14**3*b2)/a2**3

b49=( - 10*a14**3*b2)/a2**3

b48=0

b47=0

b46=0

b45=0

b44=0

b43=0

b42=0

b41=0

b40=0

b39=0

b38=(a14*b2)/a2

b37=0

b36=(3/4*a2*a22**3*b2)/a14**4

b35=( - 3*a22**2*b2)/(a14*a2)

b34=(6*a22**2*b2)/a14**2

b33=(9/2*a22**2*b2)/a14**2

b32=(6*a2*a22**2*b2)/a14**3

b31=(4*a2*a22**2*b2)/a14**3

b30=(4*a2*a22**2*b2)/a14**3

b29=(3*a14**2*a22*b2)/a2**3

b28=( - 12*a14*a22*b2)/a2**2

b27=( - 24*a14*a22*b2)/a2**2

b26=( - 6*a22*b2)/a2

b25=( - 6*a22*b2)/a2

b24=( - 12*a22*b2)/a2

b23=(a22*b2)/a2

b22=( - 2*a22*b2)/a2

b21=(2*a22*b2)/a14

b20=(6*a22*b2)/a14

b19=(8*a22*b2)/a14

b18=(8*a22*b2)/a14

b17=(12*a22*b2)/a14

b16=(4*a22*b2)/a14

b15=(a2*a22*b2)/a14**2

b14=(4*a2*a22*b2)/a14**2

b13=(3*a2*a22*b2)/a14**2

b12=0

b11=(30*a14**4*b2)/a2**4

b10=0

b9=0

b8=( - 10*a14**2*b2)/a2**2

b7=( - 40*a14**2*b2)/a2**2

b6=( - 10*a14**2*b2)/a2**2

b5=0

b4=0

b3=0

a21=(a2*a22)/a14

a20=0

a19=( - 2*a14**3)/a2**2

a18=0

a17=0

a16=0

a15=0

a13=0

a12=(1/2*a2**2*a22**2)/a14**3

a11= - a22

a10=(2*a2*a22)/a14

a9=(2*a2*a22)/a14

a8=(a2**2*a22)/a14**2

a7=(a2**2*a22)/a14**2

a6=0

a5=( - 6*a14**2)/a2

a4=0

a3=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:
 b2,a14,a22,a2

Relevance for the application:

/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\$

                3   2                  2   2               5  2
df(u,t)=(u  *a14 *a2  + 2*u *f(v,v)*a14 *a2 *a22 - 6*u *a14 *u
          3x               x                          x

                           3                      3
          + f(v ,v )*a14*a2 *a22 + f(v,v  )*a14*a2 *a22
               x  x                     2x

                         2   2          1        2   3    2
          + 2*f(v,v )*a14 *a2 *a22*u + ---*f(v,v) *a2 *a22
                   x                    2

                      3         2      3
          - f(v,v)*a14 *a2*a22*u )/(a14 *a2)

df(v,t)=

        2   2               3                      2                4  3
 u  *a14 *a2 *v + f(v,v )*a2 *a22*v + f(v,v)*a14*a2 *a22*u*v - 2*a14 *u *v
  2x                   x
---------------------------------------------------------------------------
                                        2
                                  a14*a2

                4   4                      3   4                    6   2     2
df(u,s)=(u  *a14 *a2 *b2 + 4*u  *f(v,v)*a14 *a2 *a22*b2 - 10*u  *a14 *a2 *b2*u
          5x                  3x                              3x

                         6   2                          3   4
          - 40*u  *u *a14 *a2 *b2*u + 12*u  *f(v,v )*a14 *a2 *a22*b2
                2x  x                     2x      x

                            4   3                 3    6   2
          - 2*u  *f(v,v)*a14 *a2 *a22*b2*u - 10*u  *a14 *a2 *b2
               2x                                x

              2           4   3                           3   4
          + u  *f(v,v)*a14 *a2 *a22*b2 + 8*u *f(v ,v )*a14 *a2 *a22*b2
             x                              x    x  x

                             3   4                           4   3
          + 8*u *f(v,v  )*a14 *a2 *a22*b2 - 12*u *f(v,v )*a14 *a2 *a22*b2*u
               x      2x                        x      x

             9           2    2   4    2                      5   2         2
          + ---*u *f(v,v) *a14 *a2 *a22 *b2 - 24*u *f(v,v)*a14 *a2 *a22*b2*u
             2   x                                x

                     8     4                   2   5
          + 30*u *a14 *b2*u  + 3*f(v  ,v  )*a14 *a2 *a22*b2
                x                   2x  2x

                           2   5                         3   4
          + 4*f(v ,v  )*a14 *a2 *a22*b2 + 6*f(v ,v  )*a14 *a2 *a22*b2*u
                 x  3x                         x  2x

                                    5    2                    4   3         2
          + 4*f(v ,v )*f(v,v)*a14*a2 *a22 *b2 - 6*f(v ,v )*a14 *a2 *a22*b2*u
                 x  x                                x  x

                        2   5                        3   4
          + f(v,v  )*a14 *a2 *a22*b2 + 2*f(v,v  )*a14 *a2 *a22*b2*u
                 4x                           3x

                                    5    2                    4   3         2
          + 4*f(v,v  )*f(v,v)*a14*a2 *a22 *b2 - 6*f(v,v  )*a14 *a2 *a22*b2*u
                   2x                                  2x

                     2       5    2                          2   4    2
          + 6*f(v,v ) *a14*a2 *a22 *b2 + 6*f(v,v )*f(v,v)*a14 *a2 *a22 *b2*u
                   x                            x

                          5   2         3    3        3   5    3
          - 12*f(v,v )*a14 *a2 *a22*b2*u  + ---*f(v,v) *a2 *a22 *b2
                    x                        4

                    2    3   3    2     2               6            4      4
          - 3*f(v,v) *a14 *a2 *a22 *b2*u  + 3*f(v,v)*a14 *a2*a22*b2*u )/(a14

      4
   *a2 )

                3   4                        2   4
df(v,s)=(u  *a14 *a2 *b2*v + 3*u  *f(v,v)*a14 *a2 *a22*b2*v
          4x                    2x

                      5   2     2          2    5   2
          - 10*u  *a14 *a2 *b2*u *v - 10*u  *a14 *a2 *b2*u*v
                2x                        x

                            2   4                              5
          + 6*u *f(v,v )*a14 *a2 *a22*b2*v + 3*f(v ,v  )*a14*a2 *a22*b2*v
               x      x                           x  2x

                          2   4                             5
          + 2*f(v ,v )*a14 *a2 *a22*b2*u*v + f(v,v  )*a14*a2 *a22*b2*v
                 x  x                             3x

                          2   4                                 5    2
          + 2*f(v,v  )*a14 *a2 *a22*b2*u*v + 3*f(v,v )*f(v,v)*a2 *a22 *b2*v
                   2x                               x

                         3   3         2      3        2       4    2
          - 6*f(v,v )*a14 *a2 *a22*b2*u *v + ---*f(v,v) *a14*a2 *a22 *b2*u*v
                   x                          2

                        4   2         3          7     5        2   5
          - 6*f(v,v)*a14 *a2 *a22*b2*u *v + 6*a14 *b2*u *v)/(a14 *a2 )

df(u,t)=(df(u,x,3)*a14**3*a2**2 + 2*df(u,x)*f(v,v)*a14**2*a2**2*a22 - 6*df(u,x)*
a14**5*u**2 + f(df(v,x),df(v,x))*a14*a2**3*a22 + f(v,df(v,x,2))*a14*a2**3*a22 + 
2*f(v,df(v,x))*a14**2*a2**2*a22*u + 1/2*f(v,v)**2*a2**3*a22**2 - f(v,v)*a14**3*
a2*a22*u**2)/(a14**3*a2)$

df(v,t)=(df(u,x,2)*a14**2*a2**2*v + f(v,df(v,x))*a2**3*a22*v + f(v,v)*a14*a2**2*
a22*u*v - 2*a14**4*u**3*v)/(a14*a2**2)$

df(u,s)=(df(u,x,5)*a14**4*a2**4*b2 + 4*df(u,x,3)*f(v,v)*a14**3*a2**4*a22*b2 - 10
*df(u,x,3)*a14**6*a2**2*b2*u**2 - 40*df(u,x,2)*df(u,x)*a14**6*a2**2*b2*u + 12*df
(u,x,2)*f(v,df(v,x))*a14**3*a2**4*a22*b2 - 2*df(u,x,2)*f(v,v)*a14**4*a2**3*a22*
b2*u - 10*df(u,x)**3*a14**6*a2**2*b2 + df(u,x)**2*f(v,v)*a14**4*a2**3*a22*b2 + 8
*df(u,x)*f(df(v,x),df(v,x))*a14**3*a2**4*a22*b2 + 8*df(u,x)*f(v,df(v,x,2))*a14**
3*a2**4*a22*b2 - 12*df(u,x)*f(v,df(v,x))*a14**4*a2**3*a22*b2*u + 9/2*df(u,x)*f(v
,v)**2*a14**2*a2**4*a22**2*b2 - 24*df(u,x)*f(v,v)*a14**5*a2**2*a22*b2*u**2 + 30*
df(u,x)*a14**8*b2*u**4 + 3*f(df(v,x,2),df(v,x,2))*a14**2*a2**5*a22*b2 + 4*f(df(v
,x),df(v,x,3))*a14**2*a2**5*a22*b2 + 6*f(df(v,x),df(v,x,2))*a14**3*a2**4*a22*b2*
u + 4*f(df(v,x),df(v,x))*f(v,v)*a14*a2**5*a22**2*b2 - 6*f(df(v,x),df(v,x))*a14**
4*a2**3*a22*b2*u**2 + f(v,df(v,x,4))*a14**2*a2**5*a22*b2 + 2*f(v,df(v,x,3))*a14
**3*a2**4*a22*b2*u + 4*f(v,df(v,x,2))*f(v,v)*a14*a2**5*a22**2*b2 - 6*f(v,df(v,x,
2))*a14**4*a2**3*a22*b2*u**2 + 6*f(v,df(v,x))**2*a14*a2**5*a22**2*b2 + 6*f(v,df(
v,x))*f(v,v)*a14**2*a2**4*a22**2*b2*u - 12*f(v,df(v,x))*a14**5*a2**2*a22*b2*u**3
 + 3/4*f(v,v)**3*a2**5*a22**3*b2 - 3*f(v,v)**2*a14**3*a2**3*a22**2*b2*u**2 + 3*f
(v,v)*a14**6*a2*a22*b2*u**4)/(a14**4*a2**4)$

df(v,s)=(df(u,x,4)*a14**3*a2**4*b2*v + 3*df(u,x,2)*f(v,v)*a14**2*a2**4*a22*b2*v 
- 10*df(u,x,2)*a14**5*a2**2*b2*u**2*v - 10*df(u,x)**2*a14**5*a2**2*b2*u*v + 6*df
(u,x)*f(v,df(v,x))*a14**2*a2**4*a22*b2*v + 3*f(df(v,x),df(v,x,2))*a14*a2**5*a22*
b2*v + 2*f(df(v,x),df(v,x))*a14**2*a2**4*a22*b2*u*v + f(v,df(v,x,3))*a14*a2**5*
a22*b2*v + 2*f(v,df(v,x,2))*a14**2*a2**4*a22*b2*u*v + 3*f(v,df(v,x))*f(v,v)*a2**
5*a22**2*b2*v - 6*f(v,df(v,x))*a14**3*a2**3*a22*b2*u**2*v + 3/2*f(v,v)**2*a14*a2
**4*a22**2*b2*u*v - 6*f(v,v)*a14**4*a2**2*a22*b2*u**3*v + 6*a14**7*b2*u**5*v)/(
a14**2*a2**5)$