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

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Cristiana da Silva Alexandre Cris
编辑： Harsha Priya Daggubati 2020-7-27
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?

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回答（1 个）

Harsha Priya Daggubati
编辑：Harsha Priya Daggubati 2020-7-27
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:
https://www.mathworks.com/matlabcentral/answers/323246-interfacing-gams-and-matlab-worked-well-in-matlab-r-2009b-showing-errors-in-matlab-r-2013a-reg?s_tid=answers_rc1-1_p1_BOTH
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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