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How to prevent a program in matlab to ask the user enter parameters value several times

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Muna Elayyan
Muna Elayyan on 10 Aug 2018
Commented: Ameer Hamza on 11 Aug 2018
I have a problem about deferential evolution program. when i run the code, the program ask to input parameters data (as list ) and when i enter my data the program re ask me to enter the data again by showing the input list again. how can i make the program save my input data just one time for all iterations?


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Accepted Answer

Ameer Hamza
Ameer Hamza on 10 Aug 2018
If you are using input() function in your code to ask for user input then you should either replace input() statements with the constant values in the beginning. If the input() statements are written inside a MATLAB function then you can consider removing them and pass the parameter as input to the function.


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Ameer Hamza
Ameer Hamza on 11 Aug 2018
If you can share the code, it will be easier to identify the issue and suggest the solution.
Ameer Hamza
Ameer Hamza on 11 Aug 2018
The problem is happening because you objfun() is being called several times. It is not a good idea to ask the user for parameter values inside this function. There are following things which you can do
  • You can fix the values yourself
k1 = 1;
k2 = 2;
  • You can ask for input dialog box in Rundeopt.m file and make it as part of S_struct variable. Then use it in objfun() like this
k1 = S_struct.k1;
k2 = S_struct.k2;

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