# Last value of Moving Average in single command

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Inna Pelloso on 29 Jun 2022
Commented: Voss on 29 Jun 2022
Hi,
I have A = rand(10,1). I am calculating an exponential moving average, B = movavg(A,'exponential',2). I only want the last value of B, i.e. C = B(end).
Is there any way to do this in a single command?
Thank you!
IP
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### Accepted Answer

Voss on 29 Jun 2022
Here's a way:
A = rand(10,1);
% original, for reference:
B = movavg(A,'exponential',2);
C = B(end)
C = 0.8873
% single-line command:
C = subsref(movavg(A,'exponential',2),substruct('()',{numel(A)}))
C = 0.8873
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Inna Pelloso on 29 Jun 2022
Thank you for showing me the subsref command!
Voss on 29 Jun 2022
You're welcome!

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