How to calculate moving average in a matrix?

riyanath-seela - 2022-05-10T14:21:27+00:00

Question: How to calculate moving average in a matrix?

Hi Guys, I have got a matrix :378x9. I need to calculate the moving average with a window size of 120(starting from row one). Can somebody help me please? By the way, i need to do it also for the covariance(i mean,"A MOVING COVARIANCE).

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Expert Answer

Kshitij Singh answered . 2025-11-20

Try conv2:

kernel = ones(120,1)/120;
output = conv2(yourSignal, kernel, 'valid');

Since the window does not leave the boundaries of your signal, of course the output signal will not have as many elements as your input signal.

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