lyx_mirror/lib/doc/de/Formelnummerierung.lyx

#LyX 2.3 created this file. For more info see http://www.lyx.org/
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\usepackage{ifpdf}

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\usepackage[colorlinks=true,
 pdftitle=Formelnummerierung, pdfpagemode=none,
 pdfpagelayout=OneColumn, pdfstartview=XYZ,
 pdfauthor={Uwe Stöhr},
 pdfsubject={LaTeX/LyX-Nummerierungsbeispiel},
 pdfkeywords={LaTeX, Nummerierung, LyX}]{hyperref}

\else % if DVI

\usepackage[colorlinks=true]{hyperref}

\fi

%Roemischen Gleichungszaehler einrichten  
\newcounter{roem}
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%Merken des Originalzaehlers
\newcommand{\c@org@eq}{}
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%\setroem aktiviert den roemischen Gleichungszaehler
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%\setarab aktiviert den urspruenglichen arabischen Gleichungszaehler
\newcommand{\setarab}{
  \let\c@equation\c@org@eq
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\begin_body

\begin_layout Standard
Diese Datei ist ein Beispiel zur Verwendung von zwei verschiedenen Formelkategor
ien.
 Die eine wird arabisch, die andere römisch nummeriert.
\end_layout

\begin_layout Standard
\begin_inset Formula 
\begin{equation}
A=B\label{eq:B}
\end{equation}

\end_inset


\begin_inset Formula 
\begin{equation}
A=C\label{eq:C}
\end{equation}

\end_inset


\begin_inset ERT
status collapsed

\begin_layout Plain Layout


\backslash
setroem
\end_layout

\end_inset


\begin_inset Formula 
\begin{equation}
A=D\label{eq:D}
\end{equation}

\end_inset


\begin_inset Formula 
\begin{equation}
A=E\label{eq:E}
\end{equation}

\end_inset


\begin_inset ERT
status collapsed

\begin_layout Plain Layout


\backslash
setarab
\end_layout

\end_inset


\begin_inset Formula 
\begin{equation}
A=F\label{eq:F}
\end{equation}

\end_inset


\begin_inset Formula 
\begin{equation}
A=G\label{eq:G}
\end{equation}

\end_inset


\begin_inset ERT
status collapsed

\begin_layout Plain Layout


\backslash
setroem
\end_layout

\end_inset


\begin_inset Formula 
\begin{equation}
A=H\label{eq:H}
\end{equation}

\end_inset


\begin_inset Formula 
\begin{equation}
A=I\label{eq:I}
\end{equation}

\end_inset


\end_layout

\begin_layout Standard
Querverweise: 
\begin_inset CommandInset ref
LatexCommand eqref
reference "eq:B"

\end_inset

 , 
\begin_inset CommandInset ref
LatexCommand eqref
reference "eq:C"

\end_inset

 , 
\begin_inset CommandInset ref
LatexCommand eqref
reference "eq:F"

\end_inset

 , 
\begin_inset CommandInset ref
LatexCommand eqref
reference "eq:G"

\end_inset

 , 
\begin_inset CommandInset ref
LatexCommand eqref
reference "eq:D"

\end_inset

 , 
\begin_inset CommandInset ref
LatexCommand eqref
reference "eq:E"

\end_inset

 , 
\begin_inset CommandInset ref
LatexCommand eqref
reference "eq:H"

\end_inset

 , 
\begin_inset CommandInset ref
LatexCommand eqref
reference "eq:I"

\end_inset


\end_layout

\begin_layout Standard
\noindent
\begin_inset CommandInset line
LatexCommand rule
offset "0.5ex"
width "100line%"
height "1pt"

\end_inset


\begin_inset VSpace medskip
\end_inset

Um dieses Beispiel zu erzeugen, muss zuerst für die römisch zu nummerierenden
 Formeln ein eigener Gleichungszähler angelegt werden.
 Dazu gibt man im \SpecialChar LaTeX
-Vorspann Folgendes ein:
\end_layout

\begin_layout Standard

\series bold

\backslash
newcounter{roem}
\begin_inset Newline newline
\end_inset


\backslash
renewcommand{
\backslash
theroem}{
\backslash
roman{roem}}
\end_layout

\begin_layout Standard
\begin_inset Newpage newpage
\end_inset

Damit sich \SpecialChar LaTeX
 den Zählerstand des arabischen Zählers 
\series bold
equation
\series default
 merkt, gibt man im Vorspann
\end_layout

\begin_layout Standard

\series bold

\backslash
newcommand{
\backslash
c@org@eq}{}
\begin_inset Newline newline
\end_inset


\backslash
let
\backslash
c@org@eq
\backslash
c@equation
\begin_inset Newline newline
\end_inset


\backslash
newcommand{
\backslash
org@theeq}{}
\begin_inset Newline newline
\end_inset


\backslash
let
\backslash
org@theeq
\backslash
theequation
\end_layout

\begin_layout Standard
ein.
 Um im Dokument zwischen den beiden Nummerierungen umschalten zu können,
 werden folgende beiden Befehle im Vorspann definiert:
\end_layout

\begin_layout Standard

\series bold

\backslash
newcommand{
\backslash
setroem}{
\backslash
let
\backslash
c@equation
\backslash
c@roem
\backslash
let
\backslash
theequation
\backslash
theroem}
\end_layout

\begin_layout Standard
für römische Nummerierung und
\end_layout

\begin_layout Standard

\series bold

\backslash
newcommand{
\backslash
setarab}{
\backslash
let
\backslash
c@equation
\backslash
c@org@eq
\backslash
let
\backslash
theequation
\backslash
org@theeq}
\end_layout

\begin_layout Standard
für arabische.
\end_layout

\begin_layout Standard
Jede Formel im Dokument wird standardmäßig arabisch nummeriert.
 Um auf römische Nummerierung umzuschalten, wird im \SpecialChar TeX
-Modus der Befehl 
\series bold

\backslash
setroem
\series default
 eingegeben.
 Auf arabische Nummerierung wird mit dem Befehl 
\series bold

\backslash
setarab
\series default
 umgeschaltet.
\end_layout

\end_body
\end_document