How can I differentiate a function in Simulink with respect to a variable included in the function itself?

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Mohamed Elasmar 2021년 2월 14일

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https://kr.mathworks.com/matlabcentral/answers/744827-how-can-i-differentiate-a-function-in-simulink-with-respect-to-a-variable-included-in-the-function-i

I am studying the dynamic state operation of an electrolysis process and I have the following function:

E_anode = 1.391 - 1.4481e-3 * T_electrode.

However, T_electrode is changing with the time, therefore I want to study the change of E_anode with respect to the change of T_electrode, so I want to calculate dE_anode/ dT_electrode. Which mathematical block would be appropriate for this differentiation?