XPRESS Changelog

20230227

  • Eliminated warning message when a non feasible solution is added as a starting point for the MIP search

20230207

  • Changes in the MP library

20221228

  • Changes in MP

20221222

  • Bug fixes in MP

20221211

  • Changes in MP: added the ==> else operator Implemented implication with ‘else’: constr1 ==> constr2 [else constr3]

  • Changes in MP: PLApproxRelTol, PLApproxDomain Parameters to control piecewise-linear approximation. cvt:plapprox:reltol default value changed from 1e-5 to 0.01.

20221208

  • First release of the MP-based driver for Xpress (solver version 9.0)