ASN2 - Something Interesting: Exponential

Fourier Series

Using cosine to represent the basis functions $x(t)=\sum _{n=0}^{\mathrm{\infty }}{a}_{n}cos(\frac{2\pi mt}{T})$

Using an exponential to represent basis functions $x(t)=\sum _{n=0}^{\mathrm{\infty }}{a}_n{e}^{(}\frac{j2\pi mt}{T})$