how to solve "Undefined function" problem?

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mohanish on 24 Sep 2018
Commented: Stephen23 on 10 Apr 2024 at 10:01
I am writing a code where i used melcepsta function and it worked fine for the first time. Later I closed Matlab completely and opened it 3 days later to run the same program, but it did not run and it gave me this error.. "Undefined function 'Melcepsta'". Before running the program after 3 days it asked whether to change the path of the .m file or add to the path.. I selected add to the path.. I have attached the .m and .fig file along. Please, any help will be appreciated.

Accepted Answer

OCDER on 24 Sep 2018
Add the path where your missing function is to your Matlab working path. Read more here.
mohanish on 26 Sep 2018
Thank you so much Man! It worked. That was a stupid mistake!

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More Answers (1)

Wilbert Clarke
Wilbert Clarke on 10 Apr 2024 at 9:23
J = 0.02;
b = 0.1;
K = 0.01;
R = 1.1;
L = 0.5;
numerator = K;
denominator = [J, b, K^2];
M = tf(numerator, denominator);
T = feedback(M, 1);
C = 1/s;
one_minus_T = 1 - T;
E_ss = limit(s * C * one_minus_T, s, 0)


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