How can I make a script for an operation on a function in Matlab?

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Sergio Manzetti 2017-7-10

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https://ww2.mathworks.cn/matlabcentral/answers/348018-how-can-i-make-a-script-for-an-operation-on-a-function-in-matlab

关闭： MATLAB Answer Bot 2021-8-20

Hi; I am trying to calculate a series of polynomials in Matlab. And I have the given form for it:

f(x) = A*(-1)^n*[(d/dx)-x]^n* exp(B*C*x)

where A, B and C are arbitrary constants to be reported in the result of the operation as they are, and n is the polynomial to be applied on the operator [(d/dx)-x] in the 1, 2, 3, 4 and 5 level.

This means that for the 1 level, only the following operation occurs and gives the result:

f(x) = A*(-1)*[(d/dx)(exp(B*C*x)-x*(exp(B*C*x)]

However, for the 2, 3 4 and 5th order, it becomes quite messy to do by hand. I would like to learn how to make the script for this. Please send me a link or a suggestion on how this should look like.

Thanks