Parseval’s theorem | Proof

Parseval’s theorem

It states that the sum (or integral) of the square of a function is equal to the sum (or integral) of the square of its transform. Parseval’s theorem is also known as Rayleigh’s energy theorem or Rayleigh’s Identity or simply energy theorem.

parsevals-theorem

 

Proofs of Parseval’s Theorem

 

parsevals-theorem-proof

Leave a Comment

error: Content is protected !!