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Interfacing GAMS and MATLAB - worked well in MATLAB R 2010b - Showing Errors in MATLAB R 2019a

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I interfaced GAMS win64 30.2.0 software with MATLAB using the procedure read and write. The problem is in reading data. I run the GAMS program from MATLAB R 2010b. successfully. But when I wanted to run the same GAMS file from MATLAB R 2019a, using fid = fopen('matsol.gms','rt+'), it is doest not run. When I change rt+ by r+t the error persist. What caused it and how do I fix it?

Answers (1)

Harsha Priya Daggubati
Harsha Priya Daggubati on 27 Jul 2020
Edited: Harsha Priya Daggubati on 27 Jul 2020
Hi,
Since you didnot mention the error you are getting while opening the file, I assume the error is as follows:
Input command :- system 'gams trnsport lo=3 gdx=solution'
*** Error: Error writing GAMSNext: Permission denied.
You can look at the following thread, to solve the above error:
For more information about interfacing GAMS with MATLAB, this link helps:https://www.gams.com/latest/docs/T_GDXMRW.html
Hope this helps!

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