How to reduce the size of a 144x1 Vector to a 72x1 Vector by adding two consecutive elements in the Original Vector?

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Sudarshan 2017-11-19

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https://ww2.mathworks.cn/matlabcentral/answers/367881-how-to-reduce-the-size-of-a-144x1-vector-to-a-72x1-vector-by-adding-two-consecutive-elements-in-the

关闭： MATLAB Answer Bot 2021-8-20

Hello all, I have a vector which has the dimensions of 144x1. The numbers in the vector repeat after every sixth row. For example, Vector x = [1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6...]';. Now I need to generate another Vector y = [3 7 11 3 7 11 3 7 11...]'; from the Vector x which has the dimensions of 72x1.

Do I need to use a for loop or is there any MATLAB command which will give me this result?

Thank you.