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| Newsgroups | comp.graphics.apps.gnuplot |
| Date | Fri, 19 May 2017 13:31:28 -0700 (PDT) |
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| Subject | Re: placing expressions in "using" fails |
| From | Fritz Sonnichsen <sonnichs@gmail.com> |
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On Friday, May 19, 2017 at 1:09:11 PM UTC-4, Fritz Sonnichsen wrote: > I am trying to do some elementary data manipulation before plotting a curve, such as "divide all by 2". The documentation vaguely alludes to this in the form: > plot '$file1' using 1:($17/2) w l t > > However when I use this construct I get and "invalid expression" condition and the field "$17" appears to be empty (it is not). > > The gnuplot doc I am referring to is: http://gnuplot.sourceforge.net/docs_4.2/node133.html > > any ideas appreciated > thanks! > fritz Thank You--that worked-- Fritz
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placing expressions in "using" fails Fritz Sonnichsen <sonnichs@gmail.com> - 2017-05-19 10:09 -0700 Re: placing expressions in "using" fails Hans-Bernhard Bröker <HBBroeker@t-online.de> - 2017-05-19 20:48 +0200 Re: placing expressions in "using" fails Fritz Sonnichsen <sonnichs@gmail.com> - 2017-05-19 13:31 -0700
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