Looping through numbers in file and adding first two numbers then next two and so on

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A = [1 2 3 4 5]
1+2 = 3
2+3 = 5
3+4 = 7
4+5 = 9
How can I loop through an array of numbers like above while storing the number everytime numbers are added? Thank you for any help!

Answers (2)

the cyclist
the cyclist on 1 Aug 2019
A(1:end-1) + A(2:end)

Andrei Bobrov
Andrei Bobrov on 2 Aug 2019
Edited: Andrei Bobrov on 2 Aug 2019
conv(A,[1,1],'valid')
or
b = movsum(A,2);
out = b(2:end);

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