MOSEK version 6.0.0.119 is available for download.

MOSEK version 6.0.0.119 is available for download. The major changes are: 

• Fixed a bug in the dual simplex optimizer.
• Fixed several bugs in the mixed integer optimizer. 
• Fixed an issue in the interior-point optimizer for linear problems. 

MOSEK version 6.0.0.114 is available for download.

MOSEK version 6.0.0.114 is available for download. The major changes are: 

• Fixed a bug in the concurrent optimizer.
• Fixed several bugs in the mixed-integer optimizer.
• Removed debug output occuring when reading MOSEK binary task files.

Updated MOSEK connector to Microsoft Solver Foundation

The MOSEK connector to the Microsoft Solver Foundation has been updated to support MOSEK version 6. See the Solver Foundation blog for details.

MOSEK solves a large transportation problem

Erwin Kalvehagen of Amsterdam Optimization has an interesting blog post that demonstrates MOSEK can solve a huge transportation problem extremely fast. In fact GAMS almost the same time on setting up the problem as  MOSEK spends on solving it.

MOSEK version 6.0.0.106 is available for download.

MOSEK version 6.0.0.106 is available for download. The major changes are: 

• Fixed a bug in the conic optimizer that in special cases made MOSEK report an nonoptimal solution.
• Fixed several bugs in the mixed integer optimizer.
• Downgraded Flexlm to 11.9.0 on the UNIX platforms.
• Fixed a couple of bugs in the graph partitioning based ordering algorithm (employed in the interior-point optimizers). 
• Improved the network structure detection capabilities. 
• Fixed a bug in the basis identification procedure. This bug occurs very rarely.

MOSEK version 6.0.0.105 is available for download.

MOSEK version 6.0.0.105 is available for download. The major changes are:

• Fixed a couple of bugs in the graph partitioning based ordering algorithm (employed in the interior-point optimizers).
• Improved the network detection structure capabilities.
• Fixed a bug in the basis identification procedure. This bug occurs very rarely.

MOSEK version 6.0.0.103 is available for download.

MOSEK version 6.0.0.103 is available for download. The major changes are:

• Fixed several bugs in the mixed integer optimizer.
• Fixed a bug in the graph partioning based ordering that in rare cases could cause a crash.
• Improved the manual.
• Fixed an issue in the presolve ocurring very rarely. 
• Fixed a bug causing an assert on very large problems.
• FLEXlm has been upgraded to version 11.9.1 because some bugs in FLEXlm has been fixed. 
• Fixed several issues appearing when the input data that had NANs.
• Fixed a bug in the conic optimizer causing an assert for certain problems. 
• Fixed a bug in MSK_analyzeproblem that could cause a segmentation fault on problems containing cones.