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how to take the average of 6th 7th and 8th value of a 12x1 matrix and it will continue upto 492x1 matrix

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Joydeb Saha
Joydeb Saha on 2 Nov 2020
Answered: Stephan on 2 Nov 2020
I have a 492x1 matrix. I have to take the average of the 6th 7th and 8th numbers. For better understanding I have 41 years, then I have 492 months. I need to take the average of June July August of every year. I will have 41x1 matrix after computation. Please help

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Stephan
Stephan on 2 Nov 2020
Consider A is your 492x1 matrix:
B = reshape(A,12,[]);
MyMean = mean(B(6:8,:))

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