an example for the sweave module, prepared by Gregor Gorjanc

[lyx.git] / lib / doc / Math.lyx

diff --git a/lib/doc/Math.lyx b/lib/doc/Math.lyx
index 29ffcdeb8404a3df953a77964371b93ff3143eb6..808a07a0207d5e31ab5d71b82c1f3438fbf90fcb 100644 (file)
--- a/lib/doc/Math.lyx
+++ b/lib/doc/Math.lyx
@@ -125,14 +125,6 @@
   \setboolean{eurosym}{true}}
  {\setboolean{eurosym}{false}}
 
-% needed for math macros
-% check for package xargs
-\newboolean{xargs}
-\IfFileExists{xargs.sty}
- {\usepackage{xargs}
-  \setboolean{xargs}{true}}
- {\setboolean{xargs}{false}}
-
 % needed in sec. 22.4
 % check for package braket
 \newboolean{braket}
@@ -2071,29 +2063,62 @@ The command for the example above is:
 \series bold
 
 \backslash
-cfrac{A
-\begin_inset Formula $\to$
-\end_inset
+cfrac
+\begin_inset ERT
+status collapsed
+
+\begin_layout Plain Layout
 
 
 \backslash
-{B+
+spce 
+\end_layout
+
+\end_inset
+
+A
+\begin_inset Formula $\downarrow$
+\end_inset
+
+B+
 \backslash
-cfrac{C+
+cfrac
+\begin_inset ERT
+status collapsed
+
+\begin_layout Plain Layout
+
+
 \backslash
-cfrac{E
-\begin_inset Formula $\to$
+spce 
+\end_layout
+
 \end_inset
 
+C+
+\backslash
+cfrac
+\begin_inset ERT
+status collapsed
+
+\begin_layout Plain Layout
+
 
 \backslash
-{F
-\begin_inset Formula $\to\to$
+spce 
+\end_layout
+
 \end_inset
 
+E
+\begin_inset Formula $\downarrow$
+\end_inset
 
-\backslash
-{D
+F
+\begin_inset Formula $\downarrow$
+\end_inset
+
+D
 \end_layout
 
 \begin_layout Standard
@@ -2112,63 +2137,79 @@ cfrac
 \series default
  sets the fraction always in the size of a displayed formula, also when
  it is part of another fraction.
+\end_layout
+
+\begin_layout Standard
+It is possible to specify the alignment of the numerator.
+ The command 
+\series bold
+
+\backslash
+cfracleft
+\series default
+ is used to left align it, the command 
+\series bold
+
+\backslash
+cfracright
+\series default
+ to right-align it.
  
 \series bold
 
 \backslash
 cfrac
 \series default
- has the following command scheme:
+ centers the numerator.
+ These fractions demonstrate the different alignments:
 \end_layout
 
 \begin_layout Standard
+\begin_inset Formula $\cfrac[l]{A}{B+C}$
+\end_inset
+
+, 
+\begin_inset Formula $\cfrac{A}{B+C}$
+\end_inset
+
+, 
+\begin_inset Formula $\cfrac[r]{A}{B+C}$
+\end_inset
 
-\series bold
 
-\backslash
-cfrac[numerator position]{numerator}{denominator}
 \end_layout
 
 \begin_layout Standard
-The numerator position can be 
-\emph on
-l
-\emph default
- , 
-\emph on
-c
-\emph default
-, or 
-\emph on
-r
-\emph default
- .
- l or r aligns the numerator to the left or right, resp.
-\begin_inset space ~
-\end_inset
+\begin_inset Note Greyedout
+status open
 
-with the fraction stroke.
- When 
-\emph on
-c
-\emph default
- or no position is given, the numerator appears centered.
- These fractions demonstrate the different alignments:
-\begin_inset Newline newline
-\end_inset
+\begin_layout Plain Layout
 
+\series bold
+Note:
+\series default
+ 
+\series bold
 
+\backslash
+cfracleft
+\series default
+ and 
 \series bold
 
-\begin_inset Formula $\cfrac[l]{A}{B+C}$
-\end_inset
+\backslash
+cfracright
+\series default
+ are no real LaTeX commands but represent the command 
+\series bold
 
-, 
-\begin_inset Formula $\cfrac{A}{B+C}$
-\end_inset
+\backslash
+cfrac[alignment]{numerator}{denominator}
+\series default
+ .
+ Therefore you cannot use them in TeX code.
+\end_layout
 
-, 
-\begin_inset Formula $\cfrac[r]{A}{B+C}$
 \end_inset
 
 
@@ -2256,10 +2297,18 @@ unitfracthree
 \end_inset
 
 
-\begin_inset Newline newline
-\end_inset
+\end_layout
+
+\begin_layout Standard
+\begin_inset Note Greyedout
+status open
 
-Note that 
+\begin_layout Plain Layout
+
+\series bold
+Note:
+\series default
+ 
 \series bold
 
 \backslash
@@ -2275,7 +2324,13 @@ unitfracthree
 \backslash
 unitfrac[number]{numerator}{denominator}
 \series default
-, therefore you cannot use it in TeX code.
+ .
+ Therefore you cannot use it in TeX code.
+\end_layout
+
+\end_inset
+
+
 \end_layout
 
 \begin_layout Standard
@@ -31849,47 +31904,6 @@ newcommand
 .
 \end_layout
 
-\begin_layout Standard
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-ifxargs 
-\end_layout
-
-\end_inset
-
-
-\begin_inset Note Note
-status open
-
-\begin_layout Plain Layout
-The following table will only be displayed when the LaTeX-package 
-\series bold
-xargs
-\series default
- is installed.
-\end_layout
-
-\end_inset
-
-
-\begin_inset Note Note
-status collapsed
-
-\begin_layout Plain Layout
-xargs is default since TeXLive 2008, so this construct here can be deleted
- when TeXLive 2009 is out.
-\end_layout
-
-\end_inset
-
-
-\end_layout
-
 \begin_layout Standard
 A math macro is created by using the menu 
 \family sans
@@ -32741,60 +32755,6 @@ Eating From The Right
 \end_inset
 
 
-\end_layout
-
-\begin_layout Standard
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-else 
-\end_layout
-
-\end_inset
-
-
-\begin_inset Note Note
-status open
-
-\begin_layout Plain Layout
-The following will be displayed when the LaTeX-package 
-\series bold
-xargs
-\series default
- is not installed:
-\end_layout
-
-\end_inset
-
-
-\end_layout
-
-\begin_layout Standard
-You need to install the LaTeX-package 
-\series bold
-xargs
-\series default
- to see the rest of this subsection in the output.
-\end_layout
-
-\begin_layout Standard
-\begin_inset ERT
-status collapsed
-
-\begin_layout Plain Layout
-
-
-\backslash
-fi 
-\end_layout
-
-\end_inset
-
-
 \end_layout
 
 \begin_layout Standard