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Averages of Vectors

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Eric
Eric 2012-3-5
I have a vector of temperature measurements every minute over a day and I need to convert this to a vector of 30 minute averages over the day. Any suggestions of how to do this effectively? Thanks
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Oleg Komarov
Oleg Komarov 2012-3-5
Where do you have the timestamp? Is it a two column matrix with first column the timestamp and the second column the measurment?
Please provide a concise example by editing your message and apply formatting.

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Thomas
Thomas 2012-3-5
Since you have reading one minute apart, you should have 24*40=1440 readings. You need 48 readings, i.e. mean from 1-30, 31-60 etc.. YOu can reshape your actual vector pf readings and find the mean as follows, Suppose A is you vector of 1440 readings
b=reshape(a,30,[]); % this reshapes your vector into 48 vectors
mean(b); % this finds the mean of each
  2 个评论
Oleg Komarov
Oleg Komarov 2012-3-5
Clever but not robust.
Jisha
Jisha 2012-3-5
Never thought I could use reshape this way.. :)

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