# Fourier transform

Discussion in 'Math' started by boks, Dec 12, 2008.

1. ### boks Thread Starter Active Member

Oct 10, 2008
218
0
Find the Fourier transform $\hat{u}(w,t) = \frac{1}{\sqrt{2 \pi}} \int^{\infty}_{- \infty}u(x,t)e^{(-ixw)}dx$ of the general solution u(x,t) of the PDE $u_{t}= u_{xx} - u$

Should I start by solving the PDE, or is there another way to do it?