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== Slides ==
* Status of Octave (John W. Eaton)
: description
* [https://mtmxr.com/octave-pytave-slides/ Octave and Python] (Mike Miller)
: description
* [[media:OctConf-2015-Slides-Profiling.pdf|Profiling]] (Daniel Kraft)
: Talk on using the profiler in Octave.  The shown [[media:OctConf-2015-Profiling-Demo.zip|demo code]] is also available.
* [[media:OctConf-2015-Octave-forge.pdf|Octave Forge]] (Carnë Draug)
: An overview of the Octave Forge project, what it provides, and discussion of its future.
* [[media:OctConf-2015-Octave-packages.pdf|Creating Octave Packages]] (Carnë Draug)
: A tutorial on writing your own Octave packages, from simple collections of m files to all the extra optional files.
* [[media:High_Performance_Mfiles.pdf|Writing high performance m-files]] (Rik)
: Tips for improving performance of user scripts.
* [[media:OctConf-2015-octave-nurbs.pdf|The NURBS and GeoPDEs packages]] (Rafael Vazquez)
: Octave software for research on Isogeometric Analysis.
* [[media:OctConf-2015-octave-interval.pdf|Interval package]] (Oliver Heimlich)
: Very basic overview of the Octave Forge package on real valued interval arithmetic. For further reading, please consult the package documentation [http://octave.sourceforge.net/interval/package_doc/index.html]. Also some general experiences with development at Octave Forge.
* [[media:odepkg.pdf|odepkg: Present and Future]] (Jacopo Corno)
: SOCIS results and moving ode?? to core
* [http://wiki.octave.org/Ocs_package OCS intro and tutorial] (Carlo de Falco)
: Octave Circuit Simulator
* [[media:OctConf-2015-octave-gmsh_getdp.pdf|GMSH and GetDP in Academia and Industry]] (Christophe Geuzaine)
: description
* GSoC 2015 Summary (Juan Pablo Carbajal)
: We discussed about our future relation with the "Summer of Code" programs (Google, ESA, etc.). What percentage of students stays within the community? What is the quality of their contributions?
* [[media:OctaveRsslidesRichardOctConf2015.pdf|OctaveRs]] (Richard Márquez)
: Some thoughts on a personal online platform for GNU Octave
== Fund Raising ==
The fund raising at OctConf yielded a <b>$700</b> donation for GNU Octave on Oct 2, 2015 (Transaction ID
7P725701GD802890U).


== Location ==
== Location ==
[[File:mathildenhoehe2.jpg|300px|thumb|left|alt=Mathildenhöhe in Darmstadt|Mathildenhöhe in Darmstadt]]  
[[File:mathildenhoehe2.jpg|300px|thumb|left|alt=Mathildenhöhe in Darmstadt|Mathildenhöhe in Darmstadt]]  
=== Darmstadt, Germany ===
=== Darmstadt, Germany ===
Darmstadt is a medium sized German city (154.002 inhabitants, cf [http://www.darmstadt.de/fileadmin/Bilder-Rubriken/Standort/Statistik_und_Stadtforschung/pdf/faltblaetter/ZahlenInKuerze2015-internet.pdf http://www.darmstadt.de]) located in the close neighborhood to Frankfurt, i.e., easy to reach due the airport [http://www.fraport.com/en.html FRA]. It is one of the few cities in Germany that are allowed to call themselves "city of science". The reason is that Darmstadt has clearly dedicated itself to academia and research:, it has a technical university ("TU Darmstadt", founded in 1877) and two universities of applied sciences "h_da" and "Evangelische Hochschule" with 40,616 students in total. Furthermore there are several research institutes, e.g., the [http://www.esa.int/About_Us/ESOC European Space Operations Centre], [http://www.eumetsat.int/website/home/index.html EUMETSAT] and the [https://www.gsi.de/en/start/news.htm GSI Helmholtz Centre for Heavy Ion Research], which discovered with their heavy-ion accelerator chemical elements like [http://en.wikipedia.org/wiki/Darmstadtium Darmstadtium]. Many technology companies are also located here, e.g. big cooperations like [http://www.telekom.de/ Deutsche Telekom], [http://www.merck.de Merck] but also SMIs like [https://www.cst.com CST] which is a spin-off of TU Darmstadt and the market leader for high-frequency electromagnetic field simulations.
Darmstadt is a medium sized German city (154.002 inhabitans, cf [http://www.darmstadt.de/fileadmin/Bilder-Rubriken/Standort/Statistik_und_Stadtforschung/pdf/faltblaetter/ZahlenInKuerze2015-internet.pdf http://www.darmstadt.de]) located in the close neighborhood to Frankfurt, i.e., easy to reach due the airport [http://www.fraport.com/en.html FRA]. It is one of the few cities in Germany that are allowed to call themselves "city of science". The reason is that Darmstadt has clearly dedicated itself to academia and resaerch:, it has a technical university ("TU Darmstadt", founded in 1877) and two universities of applied sciences "h_da" and "Evangelische Hochschule" with 40,616 students in total. Furthermore there are several research institutes, e.g., the [http://www.esa.int/About_Us/ESOC European Space Operations Centre], [http://www.eumetsat.int/website/home/index.html EUMETSAT] and the [https://www.gsi.de/en/start/news.htm GSI Helmholtz Centre for Heavy Ion Research], which discovered with their heavy-ion accelerator chemical elements like [http://en.wikipedia.org/wiki/Darmstadtium Darmstadtium]. Many technology companies are also located here, e.g. big cooperations like [http://www.telekom.de/ Deutsche Telekom], [http://www.merck.de Merck] but also SMIs like [https://www.cst.com CST] which is a spin-off of TU Darmstadt and the market leader for high-frequency electromagnetic field simulations.


In former times Darmstadt was the seat of government of the German State [https://english.hessen.de Hessen] and thus has still an active cultural life and in particular important architecture from the beginning of the 20th century. The [http://en.wikipedia.org/wiki/Ernest_Louis,_Grand_Duke_of_Hesse dukes of Hesse] were at that time interested in art, in particular the so-called Jugendstil (the German version of [http://en.wikipedia.org/wiki/Art_Nouveau Art Nouveau]) and funded the [http://en.wikipedia.org/wiki/Darmstadt_Artists%27_Colony Darmstadt Artists' Colony]. It is still located at the [http://www.mathildenhoehe.eu Mathildenhöhe].
In former times Darmstadt was the seat of government of the German State [https://english.hessen.de Hessen] and thus has still an active cultural live and in particular important architecture from the beginning of the 20th century. The [http://en.wikipedia.org/wiki/Ernest_Louis,_Grand_Duke_of_Hesse dukes of Hesse] were at that time interested in art, in particular the so-called Jugendstil (the German version of [http://en.wikipedia.org/wiki/Art_Nouveau Art Nouveau]) and funded the [http://en.wikipedia.org/wiki/Darmstadt_Artists%27_Colony Darmstadt Artists' Colony]. It is still located at the [http://www.mathildenhoehe.eu Mathildenhöhe].


=== Venue ===
=== Venue ===
Line 57: Line 23:


=== Travelling ===
=== Travelling ===
You can find travel directions [http://www.graduate-school-ce.de/index.php?id=23 here]. The recommended procedure is a flight to [http://www.frankfurt-airport.de/content/frankfurt_airport/de.html Frankfurt's International Airport] and then taking the bus called "[http://www.rmv.de/linkableblob/de/33548-59802/data/AirLiner_Direktbus_Darmstadt_Frankfurt_Flughafen_PDF.pdf Airliner]" to Darmstadt main station. [https://www.hahn-airport.de/Default.aspx?menu=passengers_visitors&cc=en Frankfurt Hahn] is also an option but is approximately 130 km away from Darmstadt and there is no direct connection. To get from Hahn to Darmstadt the best way is to take the [http://www.bohr.de/linienverkehr/buslinie-hahn-frankfurt bus to Frankfurt Hbf], get off at Frankfurt's International Airport stop and take the "Airliner" from there. The conference hotel (see below) is directly at the train station and the venue in 15min walking distance.
You can find travel directions [http://www.graduate-school-ce.de/index.php?id=23 here]. The recommended procedure is a flight to Frankfurt's airport and then taking the bus called "Airliner" to Darmstadt main station. The conference hotel (see below) is directly at the train station and the venue in15min walking distance.


We have prebooked rooms in
We have prebooked rooms in
* 15 single rooms in the [http://en.intercityhotel.com/Darmstadt/InterCityHotel-Darmstadt InterCityHotel Darmstadt] (booking via e-mail or phone is recommended; code "TU Darmstadt, Octconf 2015)
* 15 single rooms in the [http://en.intercityhotel.com/Darmstadt/InterCityHotel-Darmstadt InterCityHotel Darmstadt]  
  Email address is:  reservations@darmstadt.intercityhotel.de
* 2 rooms in the [http://www.djh-hessen.de/jugendherbergen/darmstadt/ youth hostel Darmstadt]
* 2 rooms in the [http://www.djh-hessen.de/jugendherbergen/darmstadt/ youth hostel Darmstadt]


== Dates ==
== Dates ==
September 21-23, 2015. This is from Monday to Wednesday. Participants are encouraged to attend for all three days, but anyone is welcome for any duration of time. If necessary, invitation letters can be issued.
September 21-23, 2015. This is from Monday to Wednesday. Participants are encouraged to attend for all three days, but anyone is welcome for any duration of time. If necessary invitation letters can issued.
 
Excursions for the technology enthusiasts to ESOC, EUMETSAT and/or GSI are planned.


== Suggestions for Sessions ==
== Suggestions for Sessions ==
Line 73: Line 36:


=== Schedule ===
=== Schedule ===
 
not ready yet.
    <table class="tg" border="1" width="800" style="text-align: center">
      <tr>
        <th width="110">Time</th>
        <th width="230">Monday<br/>(Octave Core Day)</th>
        <th width="230">Tuesday<br/>(Packages Day)</th>
        <th width="230">Wednesday<br/>(Open Source Day)</th>
      </tr>
      <tr>
        <td><br/><br/>9:00-10:00<br/><br/><br/></td>
        <td>Status of Octave<br/>(John W. Eaton, confirmed)</td>
        <td>NURBS and GeoPDEs Package<br/>(Rafael Vazquez)</td>
        <td>GMSH and GetDP in Academia and Industry <br/>(Christophe Geuzaine)</td>
      </tr>
      <tr>
        <td>10:00-10:15</td>
        <td><strong>Coffee</strong></td>
        <td><strong>Coffee</strong></td>
        <td><strong>Coffee</strong></td>
      </tr>
      <tr>
        <td>10:15-10:50</td>
        <td>[https://mtmxr.com/octave-pytave-slides/ Octave and Python]: Don't Call it Pytave!<br/>(Mike Miller, confirmed)</td>
        <td>To Be Announced</td>
        <td>GSoC 2015 Summary<br/>(Juan Pablo Carbajal, confirmed)</td>
      </tr>
      <tr>
        <td>10:50-11:25</td>
        <td>Octave's profiler<br/>(Daniel Kraft, confirmed)</td>
        <td>Interval Package<br/>(Oliver Heimlich, confirmed)</td>
        <td rowspan="3"><strong>Discussion:</strong> Open source, funding, software projects as partners in scientific research projects</td>
      </tr>
      <tr>
        <td>11:25-12:00</td>
        <td>Writing high performance m-files<br/>(Rik, confirmed)</td>
        <td>The future of odepkg<br/>(Jacopo Corno)</td>
      </tr>
      <tr>
        <td>12:00-12:30</td>
        <td><strong>Discussion</strong></td>
        <td><strong>Discussion</strong></td>
      </tr>
      <tr>
        <td><br/>12:30-14:00<br/><br/></td>
        <td><strong>Lunch</strong></td>
        <td><strong>Lunch</strong></td>
        <td><strong>Lunch</strong></td>
      </tr>
      <tr>
        <td>14:00-14:35</td>
        <td>Packaging for Octave<br/>(Carn&euml;)</td>
        <td>[http://octave.sf.net/ocs OCS] intro and tutorial<br/>(Carlo de Falco)</td>
        <td>[http://www.cursosing.net/octavers/gnuoctave/ A WUI for GNU Octave]<br/>(Richard Márquez)</td>
      </tr>
      <tr>
        <td>14:35-15:10</td>
        <td rowspan="2">Open Slot</td>
        <td rowspan="2"><strong>Poster Session</strong></td>
        <td rowspan="2"><strong>Discussion:</strong> Octave in Teaching: examples, best practices<br/>(short presentations are welcome)</td>
      </tr>
      <tr>
        <td>15:10-15:45</td>
      </tr>
      <tr>
        <td>15:45-16:00</td>
        <td><strong>Coffee</strong></td>
        <td><strong>Coffee</strong></td>
        <td><strong>Coffee</strong></td>
      </tr>
      <tr>
        <td><br/><br/>16:00-18:00<br/><br/><br/></td>
        <td><strong>Code Sprint</strong></td>
        <td><strong>Social program</strong>: excursion to [http://www.eumetsat.int/website/home/index.html EUMETSAT]<br/>(confirmed, 30 people max)</td>
        <td>(optional)<br/><strong>Code Sprint</strong></td>
      </tr>
      <tr>
        <td>18:00-19:00</td>
        <td><strong>Dinner</strong></td>
        <td><strong>Dinner</strong></td>
        <td rowspan="2"><strong>Social program</strong>: excursion to [https://www.gsi.de/en/start/news.htm GSI]<br/>(confirmed, 20 people max)</td>
      </tr>
      <tr>
        <td>19:00-20:00</td>
        <td><strong>Social program</strong>: a walk to the [http://www.mathildenhoehe.eu/ Mathildenh&ouml;he]</td>
        <td>Open slot</td>
      </tr>
    </table>
 
=== Poster Session ===
Show us what you do with Octave and any interesting application in your field.
Please email [mailto:octconf2015@gsc.tu-darmstadt.de us] if you are interested in contributing so that we can schedule the number of participants.
 
Confirmed Posters:
 
  <table class="tg" border="0" width="600" style="text-align: left">
    <tr>
      <th width="400">Title</th>
      <th width="200">Author</th>
    </tr>
    <tr>
      <td>[http://wwwmath.uni-muenster.de/u/himpe/himpe15_octconf.pdf emgr - Empirical Gramian Framework]</td>
      <td>Christian Himpe</td>
    </tr>
    <tr>
      <td>[https://thalia.gsc.ce.tu-darmstadt.de/krimm/octconf_poster/raw/master/poster.pdf Onelab package]</td>
      <td>Alexander Krimm</td>
    </tr>
    <tr>
      <td>[https://github.com/hpodhaisky/OctConf/raw/master/poster.pdf Teaching Octave at University]</td>
      <td>Helmut Podhaisky, Alf Gerisch, Markus Köbis</td>
    </tr>
    <tr>
      <td>[[media:OctConf-2015-Poster-LevelSet.pdf|Level-set package]]</td>
      <td>Daniel Kraft</td>
    </tr> 
    <tr>
      <td>[http://ltfat.github.io/notes/ltfatnote033.pdf LTFAT package]</td>
      <td>Zdenek Prusa</td>
    </tr>
    <tr>
      <td>''not confirmed''</td>
      <td>Jyoti Prakash</td>
    </tr>
    <tr>
      <td>''not confirmed''</td>
      <td>Luka Kurnjek</td>
    </tr>
    <tr>
      <td>FlexiBLAS - A Blas wrapper library with runtime exchangeable backends</td>
      <td>Martin Köhler</td>
    </tr>
    <tr>
      <td>Study of RTS of ML type with Octave</td>
      <td>M. Manzini</td>
    </tr>
    <tr>
      <td>[[media:Willkomm-adimat-poster-octconf2015.pdf|ADiMat - Automatic Differentiation for Matlab and Octave]]</td>
      <td>Johannes Willkomm</td>
    </tr>
    <tr>
      <td>[https://docs.google.com/drawings/d/1FCOX53M7e77C_e2O97cl_Vl_ExJVYBMCPnEtoaNxFV4/edit?usp=sharing Open business model canvas of OctaveRs (a WUI for GNU Octave)]</td>
      <td>Richard Márquez</td>
    </tr>
 
  </table>


== Participants ==
== Participants ==
* [http://www.graduate-school-ce.de/index.php?id=619 Jacopo Corno]
* Jacopo Corno
* [http://www.montefiore.ulg.ac.be/~geuzaine/ Christophe Geuzaine]
* [http://www.montefiore.ulg.ac.be/~geuzaine/ Christophe Geuzaine]
* [http://graduate-school-ce.de/schoeps Sebastian Schöps]
* Sebastian Schöps
* Kai T. Ohlhus
* Kai T. Ohlhus
* Juan Pablo Carbajal
* Juan Pablo Carbajal
* Rafael Vázquez
* Rafael Vázquez
* [[User:Mtmiller|Mike Miller]]
* [[User:Mtmiller|Mike Miller]] (tentative)
* [http://www.eumetsat.int/website/home/index.html Daniel Risquez]
* [http://www.eumetsat.int/website/home/index.html Daniel Risquez]
* [[User:Carandraug|Carnë Draug]]
* [http://www.domob.eu Daniel Kraft]
* [[User:Rik|Rik]]
* [[User:Oheim|Oliver Heimlich]]
* [http://www1.mate.polimi.it/~carlo/ Carlo de Falco]
* John W. Eaton
* Andreas Weber
* [http://www.mathematik.tu-darmstadt.de/~gerisch/ Alf Gerisch]
* [http://sim.mathematik.uni-halle.de/helmut/ Helmut Podhaisky]
* Jyoti Prakash
* [http://wwwmath.uni-muenster.de/u/himpe/ Christian Himpe]
* Markus Bergholz
* Luka Kurnjek
* [http://www.cursosing.net/octavers/gnuoctave/ Richard Márquez]
* [http://deepneural.blogspot.fr/p/instructions-1_10.html  Edmund Ronald]
* [https://www.acellera.com M J Harvey]
* Doug Stewart
* Lukas Reichlin
* [http://www2.mpi-magdeburg.mpg.de/mpcsc/koehlerm/ Martin Köhler]
* [http://www.johannes-willkomm.de Johannes Willkomm]
* Reza Housseini
* Zdenek Prusa
The official registration period is now over. Participation to the conference is still possible without official registration, but we cannot guarantee hotel reservations, food or the possibility to join the social program.
== Child Care ==
TU Darmstadt is a family friendly university. If you are planning to attend OctConf with your family/children please contact us. We will be happy to help you to organize child care.


== Funding ==
== Funding ==
There is limited funding to cover the travel expenses of selected participants. The available funds have currently been assigned.
There is limited funding to cover the travel expenses of selected participants. Please contact [mailto:schoeps@gsc.tu-darmstadt.de Sebastian] if you are an Octave coder and need funding to attend OctConf.


The following institutions have provided funding so far:
The following institutions have provided funding so far:


* the [http://www.graduate-school-ce.de/ Graduate School CE] has granted travel funds for invited speakers
* the Graduate School CE has grated travel funds for invited speakers
* the Institute [http://www.temf.de Computational Electromagnetics Laboratory TEMF] offers further sponsoring, e.g. for travel grants
* the Institute [http://www.temf.de Computational Electromagnetics Labratory TEMF] offers further sponsoring, e.g. for travel grants
* the [https://www.cst.com CST – Computer Simulation Technology AG] will financially support event (Catering, Coffee breaks etc)
 
== Questionnaires results ==
 
* All participants are compilers of Octave themselves.The main reason for them to participate to the conference is their interest in the development of Octave Core. Besides that also meeting the other developers in real life seems to be a motivation to join.
* The desired timespan for the conference is for almost all the participants 3 days.
* The amount of talks was to all participants adequate.
* 43% of the participants would like to have more code sprints for 57% the amount of sprints were adequate.
* Everyone liked the excursions, however 4 out of 14 participants thinks that the amount was too high.
* The poster session was appreciated by all participants and there is a slight request to extend it.
* There is also a request to define specific goals before the conference. The most proposed tool to share those goal is the wiki.
* About the financing of the conference: 8 of 14 participants do not care where the money is coming from. For those who care, they want the contribution of the conference fees to the financing as low as possible. For the other contributions there is no clear line.
* 10 out of 14 participants loved t-shirts and half of them thinks that we should stuff like this.
 
== Previous OctConf ==
[[OctConf 2014]]
 
== Next OctConf ==
[[OctConf 2017]]
 
[[Category:OctConf]]
[[Category:2015]]
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