 Orthogonality of complex exponentials

ID: orthogonality-of-complex-exponentials

m

and

n

\int_{0}^{1} e^{2 πim x} \overline{e^{2 πin x}} d x = {1, 0, m = n, m \neq = n .

This orthogonality extracts matching coefficients when two Fourier series are integrated over one period.

 New to topics? Read the docs here!