7 years, 17 days

## @Kitonum thank you so much ,  ...

@Kitonum thank you so much ,

but who can find

(2) Let = 8t^2- 4+ 6 and = 7t^2- t + 9. Find the coordinates for

and with respect to the basis L1 and with respect to the basis L2

## Basis and coordinates...

Thanks Kitonum 3505

I write now correctly can you help me ?

## @Carl Love  Thank you Can you expla...

Thank you

Can you explain the animate and why separation of variable always satisfies the boundary conditions

## @Joe Riel  Thank you But the last s...

Thank you

But the last step does not give me a correct answer?

## @Carl Love  Thank you But can you e...

Thank you

But can you explain the first step because I do not understand OrthogonalExpansions ?

Can you change the fisrt step?

## @J4James    Thank you. Yo...

Thank you.

But can  you explain  every steps?

Also what is the meaning of the PDE,BCs,pde and pdsolve? Do they have special meaning in the Maple or not ?

I would strogly appriciate your help

## @mehdi jafari   Thank you. You...

Thank you.

But can  you explain  every steps?

Also what is the meaning of the PDE,BCs,ans,pDS and toois ? Do they have special meaning in the Maple or not ?

I would strogly appriciate your help

## I am sorry...

Hi Carl

I am sorry, I thought I only have This space to write my question.

I opologize, and thank you so much for you help

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