Xpress Update 8.4.5

Document created by zsoltcsizmadia@fico.com on Jan 24, 2018
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Xpress Update 8.4.5 is now available on Box.com for Windows, Linux and Mac, from

 

              https://fico.box.com/v/xpress-8-4-5

 

This is the latest update for the Xpress 8.4 release branch. Please note that it must be installed over a prior installation of FICO Xpress 8.4 and requires a valid Xpress 8.4 license.

 

Release Notes:

 

Xpress Optimizer 32.01.08:

 

* Fixed issue with user-defined tolerances in component presolving.

* Fixed an issue related to LP folding partitioning.

* Updated the Ampl Xpress driver to version '20171006'.

 

Xpress Nonlinear 32.01.08:

 

* XSLP_AUGMENTATION bit 10 'Intial values do not imply an SLP variable.' now works with XSLP_PRESOLVE = 2.

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