how to solve "Undefined function" problem?

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mohanish
mohanish 2018-9-24
评论： Stephen23 2024-4-10
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.

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采纳的回答

OCDER
OCDER 2018-9-24
Add the path where your missing function is to your Matlab working path. Read more here.
https://www.mathworks.com/help/matlab/matlab_env/what-is-the-matlab-search-path.html
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mohanish
mohanish 2018-9-26
Thank you so much Man! It worked. That was a stupid mistake!

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更多回答（1 个）

Wilbert Clarke
Wilbert Clarke 2024-4-10
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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