Hello Everybody

for Solving a parabolic Inhomogeneous  PDE, I used the Green's Function,

I tried to simplify the Inhomogeneous term, But still can not calculate the answer.

this is my file : W111.mw

Please HELP !

Hello everybody

I need to simplify (or even approximate ) a huge expression which is a two-variable function of x and t,

including  SinCos and Exp. ( it's length is like 10 pages ! )

I tried everything but nothing worked.

Please HELP !

it starts like this:

Q(x,t):=