Xpress New in Release (Summary)
Xpress7.x 追加・修正機能、フィーチャーの一覧です。
詳細は、xpress@msi-jp.com 迄お問い合わせください。
New in Release 7.9 (to be planned for 2016)

Summary• Significantly improved linear algebra routines for the simplex solvers improving efficiency of a wide
range of problems• Improved barrier algorithm performance on second order cone problems• Mosel interface to R analytic language• Mosel language support for source code annotations• Moseldocs documentation system based on source code annotations

New in Release 7.8 (2015.09)
Summary• New automatic solution refinement tool for LP/MIP models• Improvements to solving MIQCP/MISOCP models, including a new quadratic crossover• Deterministic multistart capability for nonlinear models• Improved nonlinear presolver• Mosel model signing and encryption for protection of model integrity and intellectual property.
• Mosel support for new data sources: zip files, json data, https web services.

New in Release 7.7 (2014.11)
Summary• Robust Optimization for optimization with data uncertainty• New parallel dual simplex• Multi-start support in NonLinear• New Matlab-Mosel integration

New in Release 7.6Summary• SOCP/MISOCP: added Second Order Cone (Lorentz and rotated-Lorentz) and Mixed Integer
Second Order Cones support to the Optimizer.

• New Mosel module mmhttp handles HTTP requests both as a client and as a server

New in Release 7.5
Summary• Xpress-NonLinear is a new unified interface to non-linear solvers. SLP and Knitro solvers can now
be accessed through the new MMXNLP mosel module and XNLP API.

• Secure connections for Distributed Mosel• XML reader/writer for Mosel• Performance improvements to Optimizer, particularily to the Barrier algorithm.
• Xpress-Insight new release including Dashboards, Tableau integration, new Javascript API, REST
web service, Table/Filtering enhancements and performance improvements

New in Release 7.4
Summary• This release of Xpress includes a new version of Xpress-Insight and maintenance updates tomultiple Xpress components.

• Multi-user Enterprise configuration for Xpress-Insight for rapid deployment of optimization
applications to business users (contact your sales office for more information). Release notes for
Xpress-Insight are available in the seperate document.

• Note that support for Baby (white parallel port) dongles is removed.

New in Release 7.3
Major enhancements summary• New software Xpress-Insight for rapid deployment of optimization applications to business users(seperate download, contact your sales office for more information)• MacOS 10.7 64bit platform support• AVX support. The Barrier solver will now take advantage of Intel 痴 Advanced Vector Extensions(AVX) when available.

• Imroved Barrier performance, especially on modern Intel CPUs.
• Support for more than 64 cores on Windows 2008R2, Windows Vista and Windows 7.
• New symmetry detection and orbital branching technology for solving mixed integer models• New standalone library XPRD for remote invocation of Distributed Mosel in enterpriseenvironments• Zlib compression module for Mosel I/O• Mosel interface to the Amazon EC2 cloud for provisioning of cloud resources• Significantly improved performance, convergence and analysis functionality for non linear models
with the SLP solver

Platform support•

Added support for MacOS 10.7 64bit platform ( equivalent support for Xpress components as
the other non-Windows platforms)•Removed support for HP-UX Itanium2 platform