Recent content by lost87

This is great! I can't explain how helpful this has been! Thanks for everything!

Hey, thanks again for your reply. No it's not a homework problem, it's just something I am working on in my dissertation

Hey, thanks for your reply, but I am not sure that I understand what you are suggesting. Will that involve a change of the variables s, t?

Hey, the equation has the form: f'=af(t)+b(integral of f(s)*exp(t-s) ds from t to +infinity) +cf''+e(integral of f(s)*exp(-(t-s)) ds from -infinty to t). I can find the Fourier transform for most of the terms, but I don't know what to do with the terms with the integral. I hope this helps.

Hey, this is my first post, great forum! You've really helped me a lot of times. I have a problem solving an integro-differential equation. It involves a term of the form: integration over [t, +infinity) of f(s)*exp(t-s)ds. I have to solve the equation using Fourier transform, and most of...