第一章新bib和第二章文字修改

Chapter2/Figures/figure-example-of-greedy-search.tex

@@ -28,18 +28,18 @@
 \node [anchor=north,rotate=90,inner sep=1pt,minimum width=2em,fill=black] (pt36) at (n36.east) {\small{{\color{white} \textbf{-1.3}}}};
 	\node[anchor=south,unit,text=red] (w3) at ([yshift=0.5em]n34.north){$w_3$};
 		
-	\draw[->,ublue,very thick] (n11.east) -- (n21.west);
+	\draw[->,ublue,very thick,opacity=0.5] (n11.east) -- (n21.west);
 %	\draw[->,ublue,very thick,dashed] (n11.east) -- (n22.west);
-	\draw[->,ublue,very thick] (n11.east) -- (n23.west);
+	\draw[->,ublue,very thick,opacity=0.5] (n11.east) -- (n23.west);
 		
-	\draw[->,ublue,very thick] (pt22.south) -- (n34.west);
-	\draw[->,ublue,very thick] (pt22.south) -- (n35.west);
+	\draw[->,ublue,very thick,opacity=0.5] (pt22.south) -- (n34.west);
+	\draw[->,ublue,very thick,opacity=0.5] (pt22.south) -- (n35.west);
 %	\draw[->,ublue,very thick,dashed] (pt22.south) -- (n36.west);
 		
 %	\draw[->,red,ultra thick,opacity=0.7,line width=2pt]([xshift=-1em]n11.west) -- (n11.east) -- (n22.west) -- (pt22.south) -- (n36.west) -- ([xshift=1em]pt36.south);
-	\draw[->,red,ultra thick,opacity=0.7,line width=2pt]([xshift=-1em]n11.west) -- (n11.west);
-	\draw[->,red,ultra thick,opacity=0.7,line width=2pt](n11.east) -- (n22.west);
-	\draw[->,red,ultra thick,opacity=0.7,line width=2pt](pt22.south) -- (n36.west);
-	\draw[->,red,ultra thick,opacity=0.7,line width=2pt](pt36.south) -- ([xshift=1em]pt36.south);
+	\draw[->,red,ultra thick,opacity=0.7,line width=2.3pt]([xshift=-1em]n11.west) -- (n11.west);
+	\draw[->,red,ultra thick,opacity=0.7,line width=2.3pt](n11.east) -- (n22.west);
+	\draw[->,red,ultra thick,opacity=0.7,line width=2.3pt](pt22.south) -- (n36.west);
+	\draw[->,red,ultra thick,opacity=0.7,line width=2.3pt](pt36.south) -- ([xshift=1em]pt36.south);
 
 \end{tikzpicture}
\ No newline at end of file

Chapter2/Figures/figure-no-smoothing&smoothed-probability-distributions.tex

 \definecolor{ublue}{rgb}{0.152,0.250,0.545}
-\begin{tikzpicture}%画图中的属性如xshift应该是通用的，前面的关键字如xlabel规定了修改的部分
+\begin{tikzpicture}
 \begin{axis}[  
   width=10cm, height=4.5cm, 
-  symbolic x coords={未抽取词,do,want,what,am,people,look},%自定义x坐标
-  xtick=data,%自定义x坐标
+  symbolic x coords={未抽取词,do,want,what,am,people,look},
+  xtick=data,
   ytick={0,0.05,0.1,0.15,0.2,0.25},
   xlabel={低概率词汇},
   ylabel={词汇概率},
-  legend pos=outer north east,%图标位置
+  legend pos=outer north east,
   xlabel style={align=right,xshift=5.3cm,yshift=0.8cm,font=\footnotesize},
   ylabel style={rotate=-90,yshift=2cm,xshift=1cm,font=\footnotesize},
-  y tick style={opacity=0},%隐藏y轴刻度线
-  x tick style={opacity=0},%隐藏x轴刻度线
+  y tick style={opacity=0},
+  x tick style={opacity=0},
   x tick label style={anchor=base,font=\footnotesize,yshift=-0.5cm},
-  y tick label style={font=\footnotesize,/pgf/number format/.cd,fixed,precision=2},%y轴精度，不用科学表示
-  y axis line style={opacity=0},%隐藏y轴
-  tick align=inside,%原本的横行线
-  ymajorgrids,%显示横行网格线
-  axis x line*=bottom,%显示x轴坐标汉字（应该是对齐）
-  major grid style={dotted,draw=ublue},%横行线颜色
-  axis on top,%网格线位于顶层
-  legend style={anchor=north west,font=\footnotesize},%图标格式
+  y tick label style={font=\footnotesize,/pgf/number format/.cd,fixed,precision=2},
+  y axis line style={opacity=0},
+  tick align=inside,
+  ymajorgrids,
+  axis x line*=bottom,
+  major grid style={dotted,draw=ublue},
+  axis on top,
+  legend style={anchor=north west,font=\footnotesize},
   ymin=0,
   ymax=0.25]
-  \addplot [ybar,bar shift=-2mm,bar width=4mm,fill=blue!40,draw=blue!40,area legend] coordinates{(未抽取词,0) (do,0.05) (want,0.05) (what,0.05) (am,0.1) (people,0.15) (look,0.2)};%area legend图例显示长方形颜色
+  \addplot [ybar,bar shift=-2mm,bar width=4mm,fill=blue!40,draw=blue!40,area legend] coordinates{(未抽取词,0) (do,0.05) (want,0.05) (what,0.05) (am,0.1) (people,0.15) (look,0.2)};
   \addplot [ybar,bar shift=2mm,bar width=4mm,fill=red!40,draw=red!40,area legend] coordinates{(未抽取词,0.03) (do,0.062) (want,0.062) (what,0.062) (am,0.09) (people,0.122) (look,0.138)};
-  \legend{未平滑,平滑后}%右上图例
+  \legend{未平滑,平滑后}
 \end{axis}
 \end{tikzpicture}
 

Chapter2/chapter2.tex

@@ -285,7 +285,7 @@ F(x)=\int_{-\infty}^x f(x)\textrm{d}x
 
 \subsubsection{2.KL距离}
 
-\parinterval 如果同一个随机变量$X$上有两个概率分布$P(x)$和$Q(x)$，那么可以使用KL距离（“Kullback-leibler”散度）来衡量这两个分布的不同，这种度量就是{\small\bfnew{相对熵}}\index{相对熵}（Relative Entropy）\index{Relative Entropy}。其公式如下：
+\parinterval 如果同一个随机变量$X$上有两个概率分布$\funp{P}(x)$和$\funp{Q}(x)$，那么可以使用KL距离（“Kullback-leibler”散度）来衡量这两个分布的不同，这种度量就是{\small\bfnew{相对熵}}\index{相对熵}（Relative Entropy）\index{Relative Entropy}。其公式如下：
 \begin{eqnarray}
 \funp{D}_{\textrm{KL}}(\funp{P}\parallel \funp{Q}) & = & \sum_{x \in \textrm{X}} [ \funp{P}(x)\log \frac{\funp{P}(x) }{ \funp{Q}(x) } ]  \nonumber \\
                                                                                        & = & \sum_{x \in \textrm{X} }[ \funp{P}(x)(\log \funp{P}(x)-\log \funp{Q}(x))]