Xpress Update 9.0.5 is now available for Windows, Linux on x86-64 and Linux on AArch64, click here to download.
This is the latest update for the Xpress 9.0 release branch. Please note that the Windows or Linux archives must be extracted over a prior installation of FICO Xpress 9.0. This update requires an Xpress 9.0 license.
Release Notes:
Xpress Optimizer 41.01.06
Xpress Nonlinear 41.01.06
Xpress Solver Interfaces 41.01.06
This is the latest update for the Xpress 9.0 release branch. Please note that the Windows or Linux archives must be extracted over a prior installation of FICO Xpress 9.0. This update requires an Xpress 9.0 license.
Release Notes:
Xpress Optimizer 41.01.06
- Fixed an issue that could cause infeasible solutions loaded by XPRSaddmipsol to be dropped without any further search being applied.
- Some IIS bugs related to general constraints and quadratic expressions have been fixed.
- Fixed an error about names that can sometimes occur during XPRSrepairinfeas.
Xpress Nonlinear 41.01.06
- Fixed an issue in MISLP that could lead to subtrees with feasible solutions getting cut off.
- Fixed an issue that could lead to incorrect declarations of infeasibility in nonlinear bound tightening.
Xpress Solver Interfaces 41.01.06
- The example benders_decomp.py was fixed.
- Added the beforeobjective and afterobjective callbacks to the Python interface.
- Fixed memory leaks in the Java API. In particular, a leak with the message callback that was introduced in 9.0.
Updated 3 years ago
Version 3.0