## 10 Reputation

11 years, 284 days

## Still cannot get the exact solution...

i already not using simplify, but still cannot get the solution that i want to prove.

Here i state the solution utt-uxx+u+u3=(x2-2)cosh(x+t)-4sinh(x+t)+x6cosh3(x+t)

 (1)

 (2)

 (3)

## Thank you...

@Preben Alsholm

Thank you for your help.. i already add the thickness =3 and change the complexplot ({0,1+I,1-I}) to the command. its work. I acctually try to plot the graph for stability region for my problems.

## @Carl Love  ow i see.. that is my m...

@Carl Love  ow i see.. that is my mistake.. thanks for your help.

## numeric...

ok,, tq very much Mr Adri vanderMeer van der Meer.. before this i have tried use numeric, but the graph still do not want to out.. Thank you again for helping me..

## numeric...

ok,, tq very much Mr Adri vanderMeer van der Meer.. before this i have tried use numeric, but the graph still do not want to out.. Thank you again for helping me..

## Yes,, this is that i want.. TQ so much.....

Yes,, this is that i want.. TQ so much..

## Yes,, this is that i want.. TQ so much.....

Yes,, this is that i want.. TQ so much..

## @Adri vanderMeer van der Meer i wan...

@Adri vanderMeer van der Meer i want to plot graph for three story building due to the effect of earthquake.. can u hepl me?

## @Adri vanderMeer van der Meer i wan...

@Adri vanderMeer van der Meer i want to plot graph for three story building due to the effect of earthquake.. can u hepl me?

## this is my worksheet.. ...

this is my worksheet..

## this is my worksheet.. ...

this is my worksheet..