Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!us.feeder.erje.net!feeder.erje.net!eu.feeder.erje.net!eternal-september.org!feeder.eternal-september.org!mx04.eternal-september.org!.POSTED!not-for-mail From: Pete Gregory Newsgroups: comp.graphics.apps.gnuplot,mail.kfr@gmx.net Subject: Re: Applying arithmetic to a computed column Date: Thu, 24 Jan 2013 14:49:39 -0500 Organization: A noiseless patient Spider Lines: 42 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Thu, 24 Jan 2013 19:49:39 +0000 (UTC) Injection-Info: mx04.eternal-september.org; posting-host="8a6c71a47f6af55062cfe54d0d625e23"; logging-data="6011"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX181SykULGylOqGwa5BuDSGe" User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 In-Reply-To: Cancel-Lock: sha1:k+AuTEDvUSKgvYqQQ/KlOWy0S9o= Xref: csiph.com comp.graphics.apps.gnuplot:1586 You understood it correctly and that works perfectly Many thanks Pete On 2013:01:24 11:45 , Karl wrote: > IŽd say you want to use > > plot for [i=1:10] "" using(column(i)*1000) > > , if i understood you problem correctly. > > Regards, > > Karl > > > Am 24.01.2013 15:20, schrieb Pete Gregory: >> Salutations >> >> I have a simple script that plots different columns and blocks using the >> looping capabilities in gnuplot4.6 (and many thanks to those who coded >> it up). >> >> in the loop I have >> plot 'myfile' using rfchan index dut with lines {etc etc} >> where rfchan and dut are for loop variables. >> >> This works perfectly other than I realize now it would be better scaled >> in mA rather than A. Were I using just column 2 (say), it would be easy >> >> plot '' using ($2*1000) {etc etc} >> >> but (rfchan*1000) will resolve to looking for column (rfchan*1000). >> >> Is there an easy way to do both the computed column and value multiply ? >> >> TIA >> Pete >