3 Discrete Orthogonality Relations
The discrete orthogonality of roots of unity (Lemma 2.2.1) has powerful consequences for sums of trigonometric functions evaluated at equally-spaced angles. We develop these consequences here.
The discrete orthogonality of roots of unity (Lemma 2.2.1) has powerful consequences for sums of trigonometric functions evaluated at equally-spaced angles. We develop these consequences here.