Find the mean of every 5 values in an array

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Lanceric Tse
Lanceric Tse 2018-8-13
回答： Geoff Hayes 2018-8-13
Hi, so I have an array of double
b=[ 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0]
How do I obtain the mean of every 5 values?

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Geoff Hayes
Geoff Hayes 2018-8-13
Lanceric - try using reshape to change your array from a 1x20 to a 5x4 array and then compute the mean from that. For example,
mean(reshape(b,[5,4]))

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