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Hi. I could not find a function in Matlab to take the derivative of a polynomial, so I started to make my own. The input is a vector of polynomial coefficients. The function was pretty simple, actually, for regular old polynomials (you know, of the type x raised to declining powers). I'm wondering if anyone has suggestions for how I could do the same for polynomials with things like sin and cos in it (transcendetal functions?)? How do I represent them, and how do I derive them? Thanks. 
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