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Groups > comp.soft-sys.octave > #59
| Newsgroups | comp.soft-sys.octave |
|---|---|
| Date | 2014-03-10 04:16 -0700 |
| Message-ID | <46e9236f-4049-4a39-86b4-094d25cbee12@googlegroups.com> (permalink) |
| Subject | loop-free comparison of different sized vectors |
| From | José Ignacio Royo Prieto <joseignacioroyoprieto@gmail.com> |
Hello, everybody I want to compare all the elements of two different sized vectors without using 'for' loops. More precisely, if v and w are vectors of lengths n and m, respectively, I want to produce a matrix A of dimensions nxm such that A(i,j)=1 if v(i)>w(j) and 0 otherwise. Of course, one can do that just using a loop going through all the elements of one of the vectors, something like for i=1:length(v) A(i,:)=v(i)>w end but I was looking for a "vectorialized" Octave command to do it more efficiently. It is a pity that just typing v>w of v.>w Octave prompts an error, and does not do what I intend to ;-) Thanks you all for your time and attention.
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loop-free comparison of different sized vectors José Ignacio Royo Prieto <joseignacioroyoprieto@gmail.com> - 2014-03-10 04:16 -0700
Re: loop-free comparison of different sized vectors peknott@arcor.de - 2017-06-07 21:59 -0700
Re: loop-free comparison of different sized vectors Andreas Weber <info@tech-chat.de> - 2017-06-16 08:15 +0200
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