How to calculate the derivative of vector

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Guendouz walid 2023-1-24

评论： Askic V 2023-2-22

Hello!

I try to calculate the derivative of the vector (E) as shown in this figure below :

gives me zero using this formula:

(while the vector (E) is variable) as shown in curve:

Thanks in advance!

Walid.

Askic V 2023-2-22

Please try this:

Cd = diff(double(E))/pas;

and inspect the result.

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