How to run a function that is run by a function?

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farzad 2017-12-22

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https://ww2.mathworks.cn/matlabcentral/answers/374210-how-to-run-a-function-that-is-run-by-a-function

关闭： MATLAB Answer Bot 2021-8-20

Hi all

I have a function A that has a system of equations. A function B that calls that function A and solves the system of equations via fsolve. Now I have a third m. File from which I want to call the function B to solve the equation for several inputs. This third file creates a parameter d that should be placed in the formulas of the function A, so i made function A double input x, d. And then should be solved via function B which is fsolve. How should I do it? Since when I call function B name in the third file, it says undefined variable x, which should the input in function A and output of function B