Summing Certain pattern of elements in vector without using for loop

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adel almahmoud
adel almahmoud 2022-3-6
评论： Arif Hoq 2022-3-7
I want to sum each 4 elements of a vector and make a new vector of it.
example A=[1 2 3 4 5 6 7 8]
i want B=[10 26]
for n=1:length(A)/4
B(n)=sum(A(4*n-3:4*n))
end
Can i implents this code without for loop ?

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采纳的回答

Arif Hoq
Arif Hoq 2022-3-6
编辑：Arif Hoq 2022-3-6
Ran in:
use reshape function
A=[1 2 3 4 5 6 7 8];
output=sum(reshape(A,4,[]),1)
output = 1×2
10 26

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