-#LyX 1.6.5svn created this file. For more info see http://www.lyx.org/
-\lyxformat 345
+#LyX 2.0.0svn created this file. For more info see http://www.lyx.org/
+\lyxformat 404
\begin_document
\begin_header
\textclass book
L\kern-.1667em\lower.25em\hbox{Y}\kern-.125emX\@}
{LyX}}
\end_preamble
-\options a4paper,cjk
+\options cjk
\use_default_options true
+\maintain_unincluded_children false
\language chinese-simplified
\inputencoding UTF8
+\fontencoding global
\font_roman default
\font_sans default
\font_typewriter default
\font_default_family default
+\use_xetex false
\font_sc false
\font_osf false
\font_sf_scale 100
\font_cjk gbsn
\graphics default
+\default_output_format default
+\output_sync 0
+\bibtex_command default
+\index_command default
\float_placement th
\paperfontsize 12
\spacing onehalf
\pdf_colorlinks true
\pdf_backref section
\pdf_pdfusetitle false
-\pdf_quoted_options "linkcolor=black, citecolor=black, urlcolor=blue, filecolor=blue,pdfpagelayout=OneColumn, pdfnewwindow=true,pdfstartview=XYZ, plainpages=false, pdfpagelabels"
+\pdf_quoted_options "linkcolor=black, citecolor=black, urlcolor=blue, filecolor=blue,pdfpagelayout=OneColumn, pdfnewwindow=true,pdfstartview=XYZ, plainpages=false"
\papersize a4paper
-\use_geometry true
+\use_geometry false
\use_amsmath 1
\use_esint 1
+\use_mhchem 1
+\use_mathdots 1
\cite_engine basic
\use_bibtopic false
+\use_indices false
\paperorientation portrait
-\leftmargin 3cm
-\topmargin 3cm
-\rightmargin 2cm
-\bottommargin 2.5cm
-\headheight 2cm
-\headsep 0.75cm
-\footskip 0.75cm
+\suppress_date false
+\use_refstyle 0
+\index 索引
+\shortcut idx
+\color #008000
+\end_index
\secnumdepth 3
\tocdepth 3
\paragraph_separation indent
-\defskip medskip
+\paragraph_indentation default
\quotes_language english
\papercolumns 1
\papersides 2
\paperpagestyle default
\tracking_changes false
\output_changes false
-\author ""
-\author ""
+\html_math_output 0
+\html_be_strict false
\end_header
\begin_body
\align center
\begin_inset Tabular
<lyxtabular version="3" rows="7" columns="2">
-<features>
+<features tabularvalignment="middle">
<column alignment="center" valignment="top" width="0pt">
<column alignment="center" valignment="top" width="0pt">
<row>
f(x)=\left\{ \begin{array}{cc}
\log_{8}x & x>0\\
0 & x=0\\
-\sum_{i=1}^{5}\alpha_{i}+\sqrt{-\frac{1}{x}} & x<0\end{array}\right.\]
+\sum_{i=1}^{5}\alpha_{i}+\sqrt{-\frac{1}{x}} & x<0
+\end{array}\right.\]
\end_inset