Article View: comp.soft-sys.matlab
Article #102Re: Combining vectors
From: Ron L. Dilsavor
Date: Wed, 27 Jan 1993 15:58
Date: Wed, 27 Jan 1993 15:58
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In article <1k5hf2INNlgs@shelley.u.washington.edu> phantom@stein2.u.washington.edu (The Phantom) writes: >In article <1993Jan26.182616.11550@vax.oxford.ac.uk> reese@vax.oxford.ac.uk writes: >> >> >>I want to take two vectors and combine them, e.g. >>[ a b c d e] and [ f g h i j ] >>become [ a f b g c h d i e j ] >> > >say a=[ a b c d e ] and b=[ f g h i j ] -- an easy way to do this would be >using ... > >len=length(a); %assuming length(a), length(b) are equal >FOR count=1:len, > c((count*2)-1)=a(count); > c((count*2)=b(count); >END > >that seems to work, anyway. just work with the commands for picking out >certain matrix spots and FOR loops, and you should be able to comprise >something that works both ways. > >mt > Try to avoid using slow FOR loops if you can. Here is a neat way which is faster c(2:2:2*length(b))=b; c(1:2:length(c))=a; Ron Dilsavor dilsavor@ee.eng.ohio-state.edu
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Newsgroups: comp.soft-sys.matlab Path: arc1-ca.pugleaf.net!sparky!uunet!news.univie.ac.at!scsing.switch.ch!univ-lyon1.fr!ghost.dsi.unimi.it!rpi!usc!howland.reston.ans.net!spool.mu.edu!agate!usenet.ins.cwru.edu!magnus.acs.ohio-state.edu!sample.eng.ohio-state.edu!dosequis!dilsavor From: dilsavor@dosequis.eng.ohio-state.edu (Ron L. Dilsavor) Subject: Re: Combining vectors Message-ID: <1993Jan27.155815.23225@ee.eng.ohio-state.edu> Sender: news@ee.eng.ohio-state.edu Organization: The Ohio State University Dept of Electrical Engineering References: <1993Jan26.182616.11550@vax.oxford.ac.uk> <1k5hf2INNlgs@shelley.u.washington.edu> Date: Wed, 27 Jan 1993 15:58:15 GMT Lines: 33