# User:Oheim: Difference between revisions

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== My contribution to GNU Octave == | == My contribution to GNU Octave == | ||

After my exit from academia, I could no longer legally use my educational license of MATLAB and its toolboxes, which I had used for research [http://dx.doi.org/10.1109/SIMUL.2010.24] [http://exp.ln0.de/heimlich-power-2011.htm]. I continued working on my thesis' topic [http://dx.doi.org/10.1007/s00500-013-1008-8] and—as a hobby—put up a website showing off some functions from my thesis [http://exp.ln0.de/]. At first I experimented with integrating my MATLAB based functions via a webservice for the computational work, but since this was illegal, I had to reimplement my functions | After my exit from academia, I could no longer legally use my educational license of MATLAB and its toolboxes, which I had used for research [http://dx.doi.org/10.1109/SIMUL.2010.24] [http://exp.ln0.de/heimlich-power-2011.htm]. I continued working on my thesis' topic [http://dx.doi.org/10.1007/s00500-013-1008-8] and—as a hobby—put up a website showing off some functions from my thesis [http://exp.ln0.de/]. At first I experimented with integrating my MATLAB based functions via a webservice for the computational work, but since this was illegal, I had to reimplement my functions as well as some required interval arithmetic routines in PHP from scratch. Yes, I really did this, but it was no fun because the language isn't made for it and I had to compromise a lot. | ||

In 2014, since I was still subscribed to the IEEE interval standard working group [http://grouper.ieee.org/groups/1788/], I noticed that the standard document was nearly finished and conforming implementations were still to be done. Also I noticed a request by the FSF for supporting GNU Octave as a high priority project with free replacements of MATLAB toolboxes [http://www.fsf.org/campaigns/priority-projects/priority-projects/highpriorityprojects#Octave]. I followed their call and created the [[Interval_package|interval package]], which soon became the first complete implementation of the preliminary standard IEEE 1788 (finally, my silly PHP exercise payed out). | In 2014, since I was still subscribed to the IEEE interval standard working group [http://grouper.ieee.org/groups/1788/], I noticed that the standard document was nearly finished and conforming implementations were still to be done. Also I noticed a request by the FSF for supporting GNU Octave as a high priority project with free replacements of MATLAB toolboxes [http://www.fsf.org/campaigns/priority-projects/priority-projects/highpriorityprojects#Octave]. I followed their call and created the [[Interval_package|interval package]], which soon became the first complete implementation of the preliminary standard IEEE 1788 (finally, my silly PHP exercise payed out). |

## Revision as of 06:44, 3 March 2015

I'm Oliver Heimlich, you can contact me at oheim@posteo.de.

## About me

In 2011 I have graduated in computer science (minor: mathematics) at the University of Würzburg, Germany. For some years I have worked as an analyst and programmer for a consulting company specialized on software governance. Today I am a lead developer at a software producer for the German finance sector.

My hobbies are aquaristics, cycling and free software.

I have been a user of free software and linux since approximately 1999, but GNU Octave is the first project which I contribute to.

## My contribution to GNU Octave

After my exit from academia, I could no longer legally use my educational license of MATLAB and its toolboxes, which I had used for research [1] [2]. I continued working on my thesis' topic [3] and—as a hobby—put up a website showing off some functions from my thesis [4]. At first I experimented with integrating my MATLAB based functions via a webservice for the computational work, but since this was illegal, I had to reimplement my functions as well as some required interval arithmetic routines in PHP from scratch. Yes, I really did this, but it was no fun because the language isn't made for it and I had to compromise a lot.

In 2014, since I was still subscribed to the IEEE interval standard working group [5], I noticed that the standard document was nearly finished and conforming implementations were still to be done. Also I noticed a request by the FSF for supporting GNU Octave as a high priority project with free replacements of MATLAB toolboxes [6]. I followed their call and created the interval package, which soon became the first complete implementation of the preliminary standard IEEE 1788 (finally, my silly PHP exercise payed out).