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## [Help-glpk] want to know if a solution exists

**From**: |
Duilio Foschi |

**Subject**: |
[Help-glpk] want to know if a solution exists |

**Date**: |
Sat, 07 Feb 2004 11:49:33 +0100 |

I have a large MIP problem.
If I feed it to GLPSOL, it will tale a few seconds to check if a
solution exists and forever to find the solution :)
I guess that the process would much more efficient this way:
1. GLPK library tells me if a feasible solution exists in a subset of
the input data (GLPK is much smarter than me in this)
2. I enlarge or cut the solution region (I guess I can do a better job
than GLPK, using algorithms specific for the current problem )
Can it be done ?
I looked to a library call that returns a feasibility answer, but I
could not find it.
Any hint ?
Regards
Duilio Foschi

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**[Help-glpk] want to know if a solution exists**,
*Duilio Foschi* **<=**