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shkarah

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5 years, 230 days
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These are replies submitted by shkarah

@Christian Wolinski thank you so mu...

shkarah 20
November 17 2019
0 0

@Christian Wolinski thank you so much

@acer  i just follow this tutorial...

shkarah 20
November 17 2019
0 0

@acer 

i just follow this tutorial

https://www.youtube.com/watch?v=Q9YdHtx0nbk&

@Christian Wolinski what is my wron...

shkarah 20
November 16 2019
0 0

@Christian Wolinski 

what is my wrong ? i fellow this toturial 

 

https://www.youtube.com/watch?v=Q9YdHtx0nbk&

  ...

shkarah 20
November 16 2019
0 0


 

> 

restart
> 

PDEtools[declare](f(x), prime = x)

` f`(x)*`will now be displayed as`*f

  

`derivatives with respect to`*x*`of functions of one variable will now be displayed with '`

 (1)
> 

N := 4

4

 (2)
> 

f(x):=sum(p^i*f[i](x), i = 0 .. N);

f[0](x)+p*f[1](x)+p^2*f[2](x)+p^3*f[3](x)+p^4*f[4](x)

 (3)
> 

HPMEq := (1-p)*(diff(f(x), x$3))+p(diff(f(x), x$3)+(1/2)*(diff(f(x), x, x))*f(x));

(1-p)*(diff(diff(diff(f[0](x), x), x), x)+p*(diff(diff(diff(f[1](x), x), x), x))+p^2*(diff(diff(diff(f[2](x), x), x), x))+p^3*(diff(diff(diff(f[3](x), x), x), x))+p^4*(diff(diff(diff(f[4](x), x), x), x)))+p(diff(diff(diff(f[0](x), x), x), x)+p*(diff(diff(diff(f[1](x), x), x), x))+p^2*(diff(diff(diff(f[2](x), x), x), x))+p^3*(diff(diff(diff(f[3](x), x), x), x))+p^4*(diff(diff(diff(f[4](x), x), x), x))+(1/2)*(diff(diff(f[0](x), x), x)+p*(diff(diff(f[1](x), x), x))+p^2*(diff(diff(f[2](x), x), x))+p^3*(diff(diff(f[3](x), x), x))+p^4*(diff(diff(f[4](x), x), x)))*(f[0](x)+p*f[1](x)+p^2*f[2](x)+p^3*f[3](x)+p^4*f[4](x)))

 (4)
> 

for i from 0 to N do equ[1][i] := coeff(HPMEq, p, i) = 0 end do

Error, unable to compute coeff

  
> 

``
> 

``


 

Download minee.mw

@Christian Wolinski 

@acer    ...

shkarah 20
November 16 2019
0 0

@acer 
 

> 

restart
> 

PDEtools[declare](f(x), prime = x)

` f`(x)*`will now be displayed as`*f

  

`derivatives with respect to`*x*`of functions of one variable will now be displayed with '`

 (1)
> 

N := 4

4

 (2)
> 

f(x):=sum(p^i*f[i](x), i = 0 .. N);

f[0](x)+p*f[1](x)+p^2*f[2](x)+p^3*f[3](x)+p^4*f[4](x)

 (3)
> 

HPMEq := (1-p)*(diff(f(x), x$3))+p(diff(f(x), x$3)+(1/2)*(diff(f(x), x, x))*f(x));

(1-p)*(diff(diff(diff(f[0](x), x), x), x)+p*(diff(diff(diff(f[1](x), x), x), x))+p^2*(diff(diff(diff(f[2](x), x), x), x))+p^3*(diff(diff(diff(f[3](x), x), x), x))+p^4*(diff(diff(diff(f[4](x), x), x), x)))+p(diff(diff(diff(f[0](x), x), x), x)+p*(diff(diff(diff(f[1](x), x), x), x))+p^2*(diff(diff(diff(f[2](x), x), x), x))+p^3*(diff(diff(diff(f[3](x), x), x), x))+p^4*(diff(diff(diff(f[4](x), x), x), x))+(1/2)*(diff(diff(f[0](x), x), x)+p*(diff(diff(f[1](x), x), x))+p^2*(diff(diff(f[2](x), x), x))+p^3*(diff(diff(f[3](x), x), x))+p^4*(diff(diff(f[4](x), x), x)))*(f[0](x)+p*f[1](x)+p^2*f[2](x)+p^3*f[3](x)+p^4*f[4](x)))

 (4)
> 

for i from 0 to N do equ[1][i] := coeff(HPMEq, p, i) = 0 end do

Error, unable to compute coeff

  
> 

``
> 

``


 

Download minee.mw

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