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Hello, I want to derive from a function such as (f=f0+R*f1​+R^2*f2+R^​3*f3) so that the answer is as follows: (f'=f0'+R*​f1'+R^2*f2​'+R^3*f3')

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mohamad khazaeezade
回答： Birdman 2018-1-7
The values of the functions f are not given in x and we want to calculate the derivative parametric

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Birdman
Birdman 2018-1-7
syms f(x) f0(x) f1(x) f2(x) f3(x) R
fun=diff(f,x)==diff(f0,x)+R*diff(f1,x)+R^2*diff(f2,x)+R^3*diff(f3,x)

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