How to accumulate column vectors?

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Bless
Bless le 9 Fév 2013
I have N column vectors of same dimensions and I'm in need to accumulate these column vectors. In my paper this accumulation is defined as
acc=∑Vi where i=1:N
How to do this??
  2 commentaires
Matt J
Matt J le 9 Fév 2013
This probably needs some clarification, maybe because your sigma summation symbol does not show the range of the summation. Is this not simply the sum of N vectors? Why do you call this "accumulation" instead of just "summation"?
Bless
Bless le 9 Fév 2013
Modifié(e) : Bless le 9 Fév 2013
I've to accumulate the vector V over i. where i=1:N.The range of sigma is 1:N(some integer) I have N column vectors. Is it correct to use sum(v,2)??

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Matt J
Matt J le 9 Fév 2013
Modifié(e) : Matt J le 9 Fév 2013
If you have the Vi as columns of some matrix, V, just do
acc=sum(V,2);

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