Using mean function

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Georgios
Georgios on 28 May 2011
Hello, I am new to matlab and I try to find a solution to a simple problem I have.
I have a column of values and I want to calculate mean values with a certain step, e.g. calculate the mean of values 1-6, then the mean of values 7-12 etc ...
Can someone please give any ideas on how to do this?
Thank you, George

Accepted Answer

Teja Muppirala
Teja Muppirala on 28 May 2011
The reshape command can help to implement this:
X = rand(18,1)
Y = reshape(X,6,[])
mean(Y)
or more simply, just:
mean(reshape(X,6,[]))

More Answers (2)

bym
bym on 28 May 2011
assuming x is the vector:
mean(x(1:7));
mean(x(7:12));

Georgios
Georgios on 28 May 2011
Thank you both for your answers. I hadn't thought using the reshape function, it worked fine.

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