# Differences

This shows you the differences between two versions of the page.

start [2016/12/27 19:37]
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start [2017/02/07 10:27] (current)
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+**QPLIB2014 -- __beta version__**

-===== Quadratic Programming Library ​ =====+We are pleased to inform you that the **beta** version of the QPLIB2014 is now online and it can be downloaded here:

+  - INSTANCE FEATURES {{:​info_qplib_beta.xlsx|info.xlsx}},​ {{:​info_qplib_beta.ods|info.ods}}

-**QPLIB -- final version**+The beta version ​contains: 410 discrete instances and 138 continuous instances of different characteristics.

-We are pleased to inform you that the final version of the QPLIB is now online and it can be downloaded here:+{{ :qplib_beta_discr_inst.png?​nolink&​500 |}}

-  - INSTANCE FEATURES {{:​instancefeatures.xlsx|xlsx}} {{:​instancefeatures.ods|ods}}+

-The final version ​contains: 251 discrete instances and 116 continuous ​instances of different characteristics.+The idea behind this beta version ​is to spread the instances ​gathered in order to have a round of feedbacks before the final release of the library. All comments or suggestions should be send to the following email address: qplib2014@gmail.com

-Our taxonomy is based on a three-fields code of the form “OVC ”where O +The QPLIB2014 has been presented at the conference ISMP 2015 and the slides ​of the talkcontaining some additional information about the selected instances, can be found here:
-indicates ​the objective functionV the variables, and C the constraints of the +
-problem. The fields ​can be given the following values +

-  - objective function: (L)inear, (D)iagonal convex quadratic, (C)onvex quadratic, nonconvex (Q)uadratic;​ +  ​* ISMP 2015 -- {{:qplib.pdf|talk}}
-  ​variables: (C)ontinuous only, (B)inary only, (M)ixed binary and continuous, (I)nteger only, (G)eneral (all three types); +
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-Discrete instances features: +
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-{{ :1.png?400 |}} +
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-Continuous instances features: +
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-{{ :2.png?​300 ​|}}+

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