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Error using linprog quoting the code "-2_4"

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Error using linprog (line 336) LINPROG encountered an internal error that caused the solution to lose feasibility. We are sorry for the inconvenience.
Please contact technical support for assistance with your problem, quoting the code "-2_4".

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Philip Chow
Philip Chow on 1 Aug 2018
I also got the same error. Surendra did you get the problem solved?
Adusumilli Bala Surendra
Adusumilli Bala Surendra on 1 Aug 2018
Dear Philip Chow
1. Disable Pre-Processing using the flags 'PreProcess','none' with optimoptions: ?options = optimoptions(@linprog, 'Preprocess', 'none');
Walter Roberson
Walter Roberson on 1 Aug 2018
Unfortunately the code it is failing in is buried in a .p file that contain a complete class.

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Accepted Answer

Adusumilli Bala Surendra
Adusumilli Bala Surendra on 1 Aug 2018
Edited: Adusumilli Bala Surendra on 1 Aug 2018
Try the following: It worked for me.
Disable Pre-Processing using the flags 'PreProcess','none' with optimoptions;
options = optimoptions(@linprog, 'Preprocess', 'none');

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