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From: | Jordi Gutierrez Hermoso |
Subject: | Fwd: operator concept in Octave? |
Date: | Sat, 9 Dec 2006 15:22:57 -0600 |
Siegfried has asked me to forward to the Octave mailing lists his thoughts about operator overloading in Octave, apparently the only obstacle for being able to contribute to Octave useful M**TLAB code of his. His code can be found in his homepage listed below. - Jordi G. H. ---------- Forwarded message ---------- From: Siegfried M. Rump <address@hidden> Date: 09-Dec-2006 15:11 Subject: Re: operator concept in Octave? To: Jordi Gutierrez Hermoso <address@hidden> Am 10.12.2006, 04:20 Uhr, schrieb Jordi Gutierrez Hermoso <address@hidden>:
On 09/12/06, Siegfried M. Rump <address@hidden> wrote:thank you very much for your quick answer. Too bad Octave does support user-defined operators. There are numerous applications, for example the derivative p' for polynomial p, [L1,L2] to form lists, a*b for quaternions, a+b for intervals, automatic differentiation and so forth. All mentioned can easily be written in Matlab. In fact I am asking for my Matlab interval toolbox INTLAB. It defines real and complex intervals, automatic differentiation for gradients and hessians, polynomials, a long arithmetic, slopes and more. It has some 4000 users in more than 40 countries and I was asked whether it is also running in Octave. If at some time you decide to support operators, please let me know, I would be happy to use Octave since Matlab is getting increasingly expensive.Perhaps you would like to post these thoughts to the Octave mailing list? Perhaps you'll spur someone's interest to allow operator overloading if you tell them that you could contribute useful code to Octave if this feature were enabled. - Jordi G. H.
Plese do so! The INTLAB code is on my homepage www.ti3.tu-harburg.de Believe me, there are numerous applications and packages using Matlab's operator concept. Handling is, as always, extremely simple. Best wishes Siegfried M. Rump -- ===================================================== Prof. Dr. Siegfried M. Rump Institute for Reliable Computing Hamburg University of Technology Schwarzenbergstr. 95 21071 Hamburg Germany phone +49 40 42878 3027 fax +49 40 42878 2489 http://www.ti3.tu-harburg.de and Visiting Professor at Waseda University Faculty of Science and Engineering Shinjuku Lambdax Bldg. 902 2-4-12 Okubo, Shinjuku-ku Tokyo 169-0072 Japan phone/fax in Japan +81 3 5286 3414
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