MATLAB: Numerical derivative of points

numerical derivative

Dear All: I have the y and x values and I want to get the dy/dx for each point without losing any point.What is the best way of function with a high precision to be used to find the dy/dx? Please help me with this issue. Thanks. With my best regards, Mohammed

Best Answer

I would use the gradient (link) function. The output is the same size as the imput.
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