How to remove the mean from a data

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Xuefei Sun
Xuefei Sun 2021-2-23
回答： Mathieu NOE 2021-2-24
I have 90000 speed data, and I want to make each one minus the mean, how to get that?
a=speed;
aver=mean(a);
then what's the next?
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Image Analyst
Image Analyst 2021-2-23
@Mathieu NOE Please move your answer down to the Answer section below.

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Mathieu NOE
Mathieu NOE 2021-2-24
hello
you can simply do
a = a - mean(a);
NB : you can also use the detrend function

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