Questions about evaluating summations, especially finite summations. For infinite series, please consider the (sequences-and-series) tag instead.

learn more… | top users | synonyms

3
votes
3answers
140 views
+50

How to compute the following summation?

I asked the following question yesterday How to figure the size of the following vector set?. So, now I want to compute the following $$\frac {1}{2^n} \sum_{\vec v \in V} |\vec a^{\mathbf T} \vec v| ...