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448 lines
6.3 KiB
Plaintext
448 lines
6.3 KiB
Plaintext
#LyX 2.2 created this file. For more info see http://www.lyx.org/
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\lyxformat 503
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\begin_document
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\begin_header
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\origin /systemlyxdir/doc/
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\textclass scrartcl
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\begin_preamble
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\usepackage{ifpdf}
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\ifpdf
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\usepackage[colorlinks=true,
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pdftitle=Formelnummerierung, pdfpagemode=none,
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pdfpagelayout=OneColumn, pdfstartview=XYZ,
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pdfauthor={Uwe Stöhr},
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pdfsubject={LaTeX/LyX numbering example},
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pdfkeywords={LaTeX, numbering, LyX}]{hyperref}
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\else % if DVI
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\usepackage[colorlinks=true]{hyperref}
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\fi
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% define Roman counter
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\newcounter{rom}
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\renewcommand{\therom}{\roman{rom}}
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% remember the original counter
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\newcommand{\c@org@eq}{}
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\let\c@org@eq\c@equation
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\newcommand{\org@theeq}{}
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\let\org@theeq\theequation
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% \setrom activates the Roman counter
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\newcommand{\setrom}{
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\let\c@equation\c@rom
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\let\theequation\therom}
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% \setarab activates the original Arabic counter
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\newcommand{\setarab}{
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\let\c@equation\c@org@eq
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\let\theequation\org@theeq}
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\end_preamble
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\options fleqn
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\use_default_options false
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\maintain_unincluded_children false
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\language english
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\language_package default
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\inputencoding auto
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\fontencoding global
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\font_roman "default" "default"
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\font_sans "default" "default"
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\font_typewriter "default" "default"
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\font_math "auto" "auto"
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\font_default_family default
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\use_non_tex_fonts false
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\font_sc false
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\font_osf false
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\font_sf_scale 100 100
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\font_tt_scale 100 100
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\graphics default
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\default_output_format pdf2
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\output_sync 0
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\bibtex_command default
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\index_command default
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\paperfontsize 12
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\spacing single
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\use_hyperref false
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\papersize default
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\use_geometry false
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\use_package amsmath 2
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\use_package amssymb 2
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\use_package cancel 0
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\use_package esint 0
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\use_package mathdots 1
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\use_package mathtools 0
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\use_package mhchem 1
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\use_package stackrel 0
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\use_package stmaryrd 0
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\use_package undertilde 0
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\cite_engine basic
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\cite_engine_type default
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\biblio_style plain
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\use_bibtopic false
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\use_indices false
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\paperorientation portrait
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\suppress_date false
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\justification true
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\use_refstyle 0
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\index Index
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\shortcut idx
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\color #008000
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\end_index
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\secnumdepth 4
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\tocdepth 3
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\paragraph_separation skip
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\defskip medskip
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\quotes_language english
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\papercolumns 1
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\papersides 1
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\paperpagestyle empty
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\tracking_changes false
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\output_changes false
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\html_math_output 0
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\html_css_as_file 0
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\html_be_strict false
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\end_header
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\begin_body
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\begin_layout Standard
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This document demonstrates the usage of two different formula categories.
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One is Arabic, one is Roman numbered.
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\end_layout
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\begin_layout Standard
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\begin_inset Formula
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\begin{equation}
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A=B\label{eq:B}
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\end{equation}
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\end_inset
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\begin_inset Formula
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\begin{equation}
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A=C\label{eq:C}
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\end{equation}
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\end_inset
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\begin_inset ERT
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status collapsed
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\begin_layout Plain Layout
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\backslash
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setrom
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\end_layout
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\end_inset
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\begin_inset Formula
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\begin{equation}
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A=D\label{eq:D}
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\end{equation}
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\end_inset
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\begin_inset Formula
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\begin{equation}
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A=E\label{eq:E}
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\end{equation}
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\end_inset
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\begin_inset ERT
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status collapsed
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\begin_layout Plain Layout
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\backslash
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setarab
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\end_layout
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\end_inset
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\begin_inset Formula
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\begin{equation}
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A=F\label{eq:F}
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\end{equation}
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\end_inset
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\begin_inset Formula
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\begin{equation}
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A=G\label{eq:G}
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\end{equation}
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\end_inset
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\begin_inset ERT
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status collapsed
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\begin_layout Plain Layout
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\backslash
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setrom
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\end_layout
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\end_inset
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\begin_inset Formula
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\begin{equation}
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A=H\label{eq:H}
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\end{equation}
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\end_inset
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\begin_inset Formula
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\begin{equation}
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A=I\label{eq:I}
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\end{equation}
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\end_inset
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\end_layout
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\begin_layout Standard
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Cross-references:
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\begin_inset CommandInset ref
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LatexCommand eqref
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reference "eq:B"
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\end_inset
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,
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\begin_inset CommandInset ref
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LatexCommand eqref
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reference "eq:C"
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\end_inset
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,
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\begin_inset CommandInset ref
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LatexCommand eqref
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reference "eq:F"
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\end_inset
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,
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\begin_inset CommandInset ref
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LatexCommand eqref
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reference "eq:G"
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\end_inset
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,
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\begin_inset CommandInset ref
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LatexCommand eqref
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reference "eq:D"
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\end_inset
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,
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\begin_inset CommandInset ref
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LatexCommand eqref
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reference "eq:E"
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\end_inset
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,
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\begin_inset CommandInset ref
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LatexCommand eqref
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reference "eq:H"
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\end_inset
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,
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\begin_inset CommandInset ref
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LatexCommand eqref
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reference "eq:I"
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\end_inset
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\end_layout
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\begin_layout Standard
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\noindent
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\begin_inset CommandInset line
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LatexCommand rule
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offset "0.5ex"
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width "100line%"
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height "1pt"
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\end_inset
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\begin_inset VSpace medskip
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\end_inset
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To create this example, first a counter must be defined for the Roman numbered
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formulas.
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To do this the following is inserted to the \SpecialCharNoPassThru LaTeX
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-preamble:
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\end_layout
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\begin_layout Standard
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\series bold
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\backslash
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newcounter{rom}
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\begin_inset Newline newline
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\end_inset
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\backslash
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renewcommand{
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\backslash
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therom}{
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\backslash
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roman{rom}}
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\end_layout
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\begin_layout Standard
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\begin_inset Newpage newpage
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\end_inset
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To save the value of the Arabic counter
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\series bold
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equation
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\series default
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, this is added to the preamble
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\end_layout
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\begin_layout Standard
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\series bold
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\backslash
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newcommand{
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\backslash
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c@org@eq}{}
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\begin_inset Newline newline
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\end_inset
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\backslash
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let
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\backslash
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c@org@eq
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\backslash
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c@equation
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\begin_inset Newline newline
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\end_inset
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\backslash
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newcommand{
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\backslash
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org@theeq}{}
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\begin_inset Newline newline
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\end_inset
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\backslash
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let
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\backslash
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org@theeq
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\backslash
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theequation
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\end_layout
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\begin_layout Standard
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To be able to switch in the document between the two numbering schemes,
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the following commands are defined in the preamble:
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\end_layout
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\begin_layout Standard
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\series bold
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\backslash
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newcommand{
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\backslash
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setrom}{
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\backslash
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let
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\backslash
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c@equation
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\backslash
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c@rom
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\backslash
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let
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\backslash
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theequation
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\backslash
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therom}
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\end_layout
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\begin_layout Standard
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for Roman numbering and
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\end_layout
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\begin_layout Standard
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\series bold
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\backslash
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newcommand{
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\backslash
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setarab}{
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\backslash
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let
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\backslash
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c@equation
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\backslash
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c@org@eq
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\backslash
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let
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\backslash
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theequation
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\backslash
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org@theeq}
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\end_layout
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\begin_layout Standard
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for Arabic numbering.
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\end_layout
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\begin_layout Standard
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Every formula will be by default numbered Arabic.
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To switch to Roman numbering, the command
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\series bold
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\backslash
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setrom
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\series default
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is inserted in \SpecialCharNoPassThru TeX
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-mode.
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With the command
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\series bold
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\backslash
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setarab
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\series default
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the numbering is switched to Arabic.
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\end_layout
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\end_body
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\end_document
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