Recent content by duranta23

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    Graduate Need help in explaining the calculation of n-th power of a summation

    Makes Perfect sense. Thank you so much for the explanation :D and special thanks for forgiving my latex :P
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    Graduate Need help in explaining the calculation of n-th power of a summation

    Hi I got to the following equation while going through a book. I can't figure out how the second line comes from the first. Can anyone please help me understand? (1/2*\sum_{q=-Q}^Q V_s,q .H(w_q) .exp(iw_q t))^n is written as, 1/2^n * \sum_{q1=-Q}^Q \sum_{q2=-Q}^Q ... \sum_{qn=-Q}^Q...