MATLAB Answers

Adding elements of a vector in matlab

6 views (last 30 days)
ektor
ektor on 28 May 2020
Commented: Walter Roberson on 28 May 2020
Hi all,
I have a vector
a=[1 2 3 4 5 6 7 8 9 10 ];
and I want to get the vector
b=[1 +2+3+4+5+6+7 +8 +9 +10; 2+3+4+5+6+7 +8 +9 +10; 3+4+5+6+7 +8 +9 +10; 4+5+6+7 +8 +9 +10; 5+6+7 +8 +9 +10; 6+7 +8 +9 +10; 7 +8 +9 +10; 8 +9 +10; 9 +10 10];
Please note that this is a sample vector; I have a vector of 10000 X1 of random numbers and I want to do the same thing.
Is there any efficient code for that?
Maybe using movesum? I have tried but couldn't
I use MatlabR2020a
Best

  1 Comment

Walter Roberson
Walter Roberson on 28 May 2020
No, movesum is not going to help for that. movesum() deals with fixed length windows.

Sign in to comment.

Accepted Answer

Walter Roberson
Walter Roberson on 28 May 2020
fliplr( cumsum( fliplr(a) ) )

  0 Comments

Sign in to comment.

More Answers (0)

Tags

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by