Until I've reset my laptop after hang, I believe I...

# mathematics

[ValV]

Until I've reset my laptop after hang, I believe I saw explanation on Parseval's theorem somewhere on the web. For this more general case http://latex.codecogs.com/gif.latex?\int_{-\infty}^{\infty}f_1(\tau)f_2(\tau)d\tau=\frac{1}{2\pi}\int_{-\infty}^{\infty}F_1(\omega)F_2(-\omega)d\omega