sum contents of array in groups of 10

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C.G. on 21 Jan 2021
Commented: C.G. on 21 Jan 2021
My code produces a variable 'grains' which is a 1x3001 double.
I want to sum together the numbers in the first 10 cells, and repeat this in blocks of 10 cells until the end and save these in a new variable.
Please could somebody provide me with a starting point?
C.G. on 21 Jan 2021
i dont want to include the last one

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Accepted Answer

Stephen23 on 21 Jan 2021
Where V is your 1x3001 vector:
M = sum(reshape(V(1:3000),10,[]),1)

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