Groups > comp.graphics.apps.gnuplot > #3877

Re: For loop not working as I expected - but now solved

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From	Chris Elvidge <chris@mshome.net>
Newsgroups	comp.graphics.apps.gnuplot
Subject	Re: For loop not working as I expected - but now solved
Date	Mon, 19 Feb 2018 14:22:03 +0000
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On 19/02/2018 01:26 pm, Karl Ratzsch wrote:
> Am 19.02.2018 um 13:50 schrieb Chris Elvidge:
> 
>> plot for [j=1:7] F(8-j) u 1:4 w l lw 2 lc rgb "orange" noti, for [j=1:7]
>> F(8-j) u 1:5 w l lw 2 lc rgb "web-green" noti
>>
>> Note the extra "for" after the plot command. Could this be a bug in the
>> manual?
> 
> Sorry, I totally overlooked that! Of course it needs to be "for [:]" in
> both the first and the second subplot. Where does the manual say
> otherwise? That would be an error and you should file a bug report.
> 
> The command
> 
>    plot [j=1:7] dataf ...
> 
> should assign the value 1 to "j", and make a plot with abscissa
> range[1:7]. (The assignment is not actually done, but the parser also
> doesn't throw an error. It arguably should do one or the other, so
> that's a small bug.)

I put it down to my misreading (i.e. not fully understanding what is 
going on) of this (first example) where 'plot [-10:10]' is used; 'for' 
is not mentioned:

http://gnuplot.sourceforge.net/demo_svg_5.0/simple.html

Anyhow, thanks for the pointers. With any luck my skills will improve.

Cheers

-- 

Chris Elvidge, England

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Thread

For loop not working as I expected Chris Elvidge <chris@mshome.net> - 2018-02-17 16:46 +0000
  Re: For loop not working as I expected Karl Ratzsch <mail.kfr@gmx.net> - 2018-02-19 08:15 +0100
    Re: For loop not working as I expected - but now solved Chris Elvidge <chris@mshome.net> - 2018-02-19 12:50 +0000
      Re: For loop not working as I expected - but now solved Karl Ratzsch <mail.kfr@gmx.net> - 2018-02-19 14:26 +0100
        Re: For loop not working as I expected - but now solved Chris Elvidge <chris@mshome.net> - 2018-02-19 14:22 +0000
          Re: For loop not working as I expected - but now solved Karl Ratzsch <mail.kfr@gmx.net> - 2018-02-19 16:11 +0100
            Re: For loop not working as I expected - but now solved Chris Elvidge <chris@mshome.net> - 2018-02-19 15:25 +0000
        Re: For loop not working as I expected - but now solved Ethan A Merritt <EAMerritt@gmail.com> - 2018-02-21 22:38 -0800
          Re: For loop not working as I expected - but now solved Karl Ratzsch <mail.kfr@gmx.net> - 2018-02-23 18:50 +0100

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