Groups > comp.graphics.apps.gnuplot > #3998

Re: space between sign and digit

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From	Jörg Buchholz <bookwood4new@freenet.de>
Newsgroups	comp.graphics.apps.gnuplot
Subject	Re: space between sign and digit
Date	Wed, 11 Jul 2018 14:16:17 +0200
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On 11.07.2018 10:00, Karl Ratzsch wrote:
> Am 11.07.2018 um 08:52 schrieb Jörg Buchholz:
>> Hello,
>>
>> I would like to print a function in the key like this:
>>
>> f11(x) = -2.56·x - 103.63
>>
>> I use the following code in the plot command for that:
>>
>> f11(x) lt 2 lw 4 dt 4 t sprintf("f11(x) =%6.2f·x%+7.2f",a,b11)
>>
>> That means, that I use the sign from the format specifier as plus sign
>> or minus sing in the printed function. But than I don't have a space in
>> front of the second number. The second number can be positive or negative.
> 
> sprintf() can't add an extra space in there i think. Following uses the
> ternary operator on b11 to check which sign character is needed
> 
> plot f11(x) lt 2 lw 4 dt 4 t \
>   sprintf("f11(x) =%.2f·x %s %.2f",a,b11<0?"-":"+",abs(b11))
>


Interesting solution. On more complex functions the code is a bit long.
But on the other hand I can use a thin space for better looking at the
print out.

Thanks

Jörg

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Thread

space between sign and digit Jörg Buchholz <bookwood4new@freenet.de> - 2018-07-11 08:52 +0200
  Re: space between sign and digit Karl Ratzsch <mail.kfr@gmx.net> - 2018-07-11 10:00 +0200
    Re: space between sign and digit Jörg Buchholz <bookwood4new@freenet.de> - 2018-07-11 14:16 +0200
      Re: space between sign and digit Karl Ratzsch <mail.kfr@gmx.net> - 2018-07-11 15:16 +0200
        Re: space between sign and digit Jörg Buchholz <bookwood4new@freenet.de> - 2018-07-12 07:36 +0200
          Re: space between sign and digit Karl Ratzsch <mail.kfr@gmx.net> - 2018-07-12 20:42 +0200
  Re: space between sign and digit Hans-Bernhard Bröker <HBBroeker@t-online.de> - 2018-07-11 20:06 +0200
    Re: space between sign and digit Karl Ratzsch <mail.kfr@gmx.net> - 2018-07-12 06:53 +0200
    Re: space between sign and digit Jörg Buchholz <bookwood4new@freenet.de> - 2018-07-12 07:21 +0200

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