Hi All, while studying the discrete Fourier transform, I came across this equality which I can't quite explain : How does a finite sum of complex exponentials lead to the fraction on the right hand side ? Thanks for any help Cheers
Hi All, while studying the discrete Fourier transform, I came across this equality which I can't quite explain : How does a finite sum of complex exponentials lead to the fraction on the right hand side ? Thanks for any help Cheers