[pstricks] PSTricks Digest, Vol 175, Issue 2

[Denis Vergès]

Sorry but if 
%%%%%%%%%%%
\documentclass[12pt]{article}
\usepackage{pstricks,pst-plot,pst-func}
\newcommand\ordon[1]{%
\psdots(!#1 \space \f{#1})
\uput[90](!#1 \space \f{#1})%
{\psPrintValue[comma]{\f{#1} 100 mul round 100 div}}}
\begin{document}
\begin{center}
\begin{pspicture}(-2,-1)(5,8)
\newcommand\f[1]{#1 2 exp 4 div}
\psaxes[ticksize=-.1 .1,subticks=2]{->}%
(0,0)(-2,-1)(5,7)[$x$,-90][$y$,180]
\psplot[linecolor=red]{-2}{5}{\f{x}}
\multido{\i=-2+2}{4}{ \ordon{\i}}
\ordon{3.5}
\end{pspicture}
\end{center}
\end{document}
%%%%%%%%%
works fine

the code of Herbert don’t compile :

In the console : Missing $ inserted
l.12 \multido{\i=-2+2}{4}{\ordon{\i}} 

and after run I have :

%interp_exit   .runexec2   --nostringval--   --nostringval--   --nostringval--   2   %stopped_push   --nostringval--   --nostringval--   --nostringval--   false   1   %stopped_push   1900   1   3   %oparray_pop   1899   1   3   %oparray_pop   1883   1   3   %oparray_pop   1771   1   3   %oparray_pop   --nostringval--   %errorexec_pop   .runexec2   --nostringval--   --nostringval--   --nostringval--   2   %stopped_push
Dictionary stack:
   --dict:1163/1684(ro)(G)--   --dict:0/20(G)--   --dict:113/200(L)--   --dict:183/300(L)--   --dict:38/200(L)--   --dict:122/200(L)--
Current allocation mode is local
Last OS error: No such file or directory
Current file position is 161120
GPL Ghostscript 9.07: Unrecoverable error, exit code 1
### FAILED to generate /tmp/altpdflatex.3793-1504465091/antecedentimageH.Voss.pdf ()
Where is the problem ?
Thanks for the quick answer.
Denis


> Le 3 sept. 2017 à 12:00, pstricks-request at tug.org a écrit :
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> Today's Topics:
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>   1. Re: PostScript numbers (Herbert Voss)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Sat, 2 Sep 2017 15:50:21 +0200
> From: Herbert Voss <Herbert.Voss at FU-Berlin.DE>
> To: pstricks at tug.org
> Subject: Re: [pstricks] PostScript numbers
> Message-ID: <63d4e0e0-23d6-c86f-44c2-7756cb3f3119 at FU-Berlin.DE>
> Content-Type: text/plain; charset=utf-8; format=flowed
> 
> Am 02.09.2017 um 10:55 schrieb Denis Verg?s:
>> Hello,
>> 
>> In this code :
>> 
>> %%%%%%%%%
>> \documentclass[12pt]{article}
>> \usepackage[T1]{fontenc}
>> \usepackage[utf8]{inputenc}
>> \usepackage{fp}
>> \usepackage{pstricks,pst-all,pst-func,pst-plot,pstricks-add}
>> \begin{document}
>> \newcommand\f[1]{#1 2 exp 4 div}
>> \newcommand\ordon[1]{\psdots(!#1 \space \f{#1})	
>> \uput[90](!#1 \space \f{#1})%
>> {\psPrintValue{\f{#1} 1000 mul round 1000 div}}}
> 
> Denis,
> do you mean something like this?
>    \psPrintValue[comma]{...}
> 
>> %\psset{comma=true]
> 
> this should be \psset{comma=true}
> 
> However, here is a solution with the algebraic mode:
> 
> \documentclass[12pt]{article}
> \usepackage{pstricks,pst-plot}
> \begin{document}
> \newcommand*\f[1]{(#1)^2/4}
> \newcommand*\ordon[1]{\psdots(*#1 \f{#1})%
> 	\uput[90](*#1
> 	\f{#1}){\psPrintValue[algebraic,comma,decimals=3]{#1,\f{#1}}}}
> \begin{center}
> 	\begin{pspicture}(-2,-1)(5,8)
> 	\psaxes{->}(0,0)(-2,-1)(5,7)[$x$,-90][$y$,180]
> 	\psplot[linecolor=red,algebraic]{-2}{5}{\f{x}}
> 	\multido{\i=-2+2}{4}{ \ordon{\i}}
> 	\ordon{3.5}
> 	\end{pspicture}
> \end{center}
> \end{document}
> 
> Herbert
> 
> 
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> ------------------------------
> 
> End of PSTricks Digest, Vol 175, Issue 2
> ****************************************

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