Mathematics Clinic > Calculus

How can i find the derivative of unequally spaced tabular data ?

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curlz:
It is often necessary to find the derivative point by point from a tabular data which are not equally spaced. There is no convenient way to solve the problem in my knowledge.So, please help.

Tazate:
Well, if it's discontinuous then "derivative" is a very approximate term anyway.

Best estimate would be the change in one column divided by the change in another column, from one row to the next.

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