adding some single elements in matrix

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Dear Prof/Dr./Sir./Maam
I have matrix A=[1 2 3 4 5] and B=[ 6 7 8 9]. I want to calculate s1=1+2+6 s2=2+3+7 s3=3+4+8 s4=4+5+9.
Is it possible to calculate the elements from different matrix like that?
Thank you in advance

Accepted Answer

sudobash
sudobash on 29 Jul 2022
Hi!
So as per my understanding, 2 consecutive elements of A need to be added and the resulting vector needs to be added to B.
A possible solution could be like this:
A=[1 2 3 4 5];
B=[ 6 7 8 9];
Asum = A(2:end) + A(1:end-1)
Asum = 1×4
3 5 7 9
final = Asum + B
final = 1×4
9 12 15 18
Hope this solves your question.
  1 Comment
Noriham B
Noriham B on 29 Jul 2022
Great....so much thanks to u prof/Dr/Sir...I can run the results now...really appreciate ur help

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