MATLAB: How to sum individual elements of a vector

elementsintegrationvector slice

Suppose I have a vector a=[1;2;3;4;5;6;7;9;10] Can anyone tell me if I want to integrate from 6th element to 10th element of the column vector

Best Answer

sum(a(6:10))

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MATLAB: Sum of nonzero vector elements

v= [1 2 3 0 0 0 4 5 0 6 7 0 8 9]
ii=[0 v~=0 0]
idx1=strfind(ii,[0 1])
idx2=strfind(ii,[1 0])-1
out=cell2mat(arrayfun(@(x,y) [sum(v(x:y));y-x+1;x],idx1,idx2,'un',0))

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