Hi,

I'm taking up a course in partial diff equations and i'm really lost here. I cant seem to find the solution for the problem that the professor discussed.

here it is:

phi(x) = sin(2*pi*x) + (1/3)*sin(4*pi*x) + (1/5)*sin(6*pi*x)

b.c.:

u(0,t) = 0

u(1,t) = 0

0<t<infinity

can anyone help?