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loop for sum and average for specific rows

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nada
nada 2020-7-28
评论： nada 2020-7-29
Dear All
I have sea level data 300*1, it is monthly data for 25 years, the data in Excel file
Describing the row (1 JAN, 2 Feb, 3 Mar........ 12 Dec, 13 JAN, 14 Feb, 15 Mar............ 300 Dec )
I want to use a loop to work (sum and average each month) and the final result will be 12*1
Many Thanks in advance

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KSSV
KSSV 2020-7-28
A = rand(300,1) ;
B = reshape(A,12,[]) ;
thesum = sum(B,2) ;
themean = mean(B,2) ;

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