Recent content by Tan Thom

Homework Statement I was working on a problem from Maxwell Equations. Why is the below zero? Homework EquationsThe Attempt at a Solution

Homework Statement Find the 4th Coefficient in a sample of 4 discrete time Fourier Series coefficients in a real time valued periodic sequence. k = 0,1,2,3 a_k = {3, 1-2j, -1, ?} Homework Equations [/B]The Attempt at a Solution Step 1: (1-2j)e^(j*.5pi*n) +a_3 e ^ -(j*.5pi*n) + 3 +...

Good morning, I am working on a problem where I am finding the 4th Coefficient in a sample of 4 discrete time Fourier Series coefficients. I got the sum but now I have to solve for a_3 which consists of a real and imaginary part. Any assitance on how to solve for the a_3? Thank you. $a_k =...