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== A: An introduction ==
== About Me ==
* I am '''Kai Torben Ohlhus''', a [ computer science and engineering] student in the final master semester from Hamburg, Germany. During my studies I specialized on software systems and communication networks and discovered a passion for computer arithmetic and algorithms, which will now be topic of my master thesis. I speak German (native), English (fluent) and Spanish (basic).
== C: Contact ==
My name is '''Kai Torben Ohlhus''' ('''siko1056''' on IRC and alike).  I started contributing to GNU Octave during [[Summer of Code#GSoC 2013|GSoC 2013]] as student and worked on incomplete factorizations (read my [ blog]). The project was completed in [[Summer of Code#GSoC 2014|GSoC 2014]] by [[User:Edu159 | Eduardo]].
* I know how to use IRC and I will be online as often as possible under the nick '''siko1056''' on #octave.
* GMT+02:00 (CEST)
== E: Coding experience ==
Since 2013, I continuously support the development of [ "core" Octave] and maintain parts of the Octave [[Project Infrastructure]]:
* Since the beginning of my studies (so more than four years) I work with C, C++, and m-scripts. I attended many courses and laboratories dealing with these three languages. From my 3rd semester on I have been tutoring these courses: [ Laboratory course (MATLAB)], [ Computer Programming (C)] and [ Introduction to Programming (C)]. I have some  experience with Qt4. With OpenGL I have no experience so far, I worked with SDL.
* Other languages of my studies were Java and web applications (JSP and Servlets). Because I use GNU/Linux as my day-to-day OS, I know BASH-scripting and for FPGA-Programming I worked with VHDL a lot. Additionally I created many documents using LaTeX.
* Nearly all programming laboratories at university were solved in a team, making use of version control systems and organization techniques like [ scrum].
* My biggest project so far was [ searchbooster] a desktop document search tool based upon Apache Lucene and Apache Tika. It was developed in a team of four students, including me, using scrum, Subversion (at Google Code now GIT) in a time of three months. I learned, that an interface is something that should never be broken (if possible) and a proper code and comment style saves a lot of time!
* I have not contributed to Octave so far.
== F: Feeling fine ==
* Several [ code contributions] to GNU Octave itself.
* IRC I don't use that often and I read some mailing lists.
** Active member of the [ Octave mailing-lists].
* Concurrent versions systems like GIT, Subversion and Mercurial are well-known.
** Triage the [ bug tracker] (review, comment, and push patches).
* I successfully installed a Mediawiki on my homepage once and I'm familiar with Wikipedia.
** Support the release process (create and upload [interpreter] and [[Doxygen]] documentation).
* make, gcc, gdb, javac and IDEs (e.g. Eclipse) I worked a lot with
* Co-maintainer and caring for updates of
* It would make me happy and stay I see that my work is used in the stable regular releases of Octave!
** [[Special:ListUsers/sysop | this Octave wiki]] ([[Special:Contributions/Siko1056 |all contributions]]).
** the official GNU Octave website ([ page source]).
* [[Summer of Code | GSoC]] mentor in 2014 and 2018, co-mentor in 2017.
== O: Only out of interest ==
== Recent contributions ==
* Since I got to know MATLAB in my first semester, I also got to know about Octave and other numerical software environments. At my university we have free MATLAB student licences and thus many courses are dealing with MATLAB (but I figured out, that you can nearly run all m-files in Octave too). No other questions arose so far.
== P: Prerequisites ==
* 2020-04-24 Update to [ MediaWiki 1.34.1]
* My operating systems: Ubuntu 12.04.2 (64 bit) and Windows 7 (64 bit).
* 2020-04-22 Prepare [[Project - Documentation | GSoD application]].
* Root access, no time restrictions.
* All day internet connection.
== S: Self-assessment ==
* As far as I can assess my coding behavior, it is more defense:
** I don't like to delete work (think before coding).
** I code in small revertible portions and like testing these steps to avoid above.
** I like to find out more efficient ways to do something (so critic is welcome, I want to learn).
** Sometimes I strive for perfection (not always useful, you get stuck unnecessarily).
== Y: Your task ==
* The task I would like to combine with my master thesis is [ Incomplete sparse factorizations ichol, ilu]. It may sound contradicting to implement approximation algorithms, when trying to implement accurate ones. My main reason to work on this project is to get more in touch with efficient ways of how to access big sparse matrices and how to work with the Octave-Interface. After the GSoC I want to apply this knowledge to deal with accurate matrix-vector products.
* For more information of my progress have a look at my [ blog].

Latest revision as of 22:11, 29 April 2020

About MeEdit

My name is Kai Torben Ohlhus (siko1056 on IRC and alike). I started contributing to GNU Octave during GSoC 2013 as student and worked on incomplete factorizations (read my blog). The project was completed in GSoC 2014 by Eduardo.

Since 2013, I continuously support the development of "core" Octave and maintain parts of the Octave Project Infrastructure:

Recent contributionsEdit