第一周。

高等微积分.tex

@@ -21,8 +21,8 @@
 \geometry{a4paper,scale=0.8}
 
 \defaultCJKfontfeatures{Mapping = fullwidth-stop}
-\setCJKmainfont{simsun.ttc}[AutoFakeBold, ItalicFont=simkai.ttf]
-% \ctexset{fontset=macnew}
+% \setCJKmainfont{simsun.ttc}[AutoFakeBold, ItalicFont=simkai.ttf]
+\ctexset{fontset=macnew}
 % \ctexset{fontset=windows} % On Windows
 
 \allowdisplaybreaks[3]
@@ -53,6 +53,7 @@
 \newcommand{\delx}{\Delta x}
 \newcommand{\dint}{\displaystyle\int}
 \newcommand{\bderiv}[1]{{#1}^{\prime \prime}}
+\newcommand{\dsum}{\displaystyle\sum}
 
 \DeclareMathOperator{\sgn}{sgn}
 
@@ -61,7 +62,7 @@
 \date{}
 % linespread{1.5}
 
-% \includeonly{09常微分方程.tex}
+% \includeonly{10数项级数.tex}
 
 \begin{document}
     \maketitle
@@ -81,4 +82,5 @@
     \include{07函数的积分.tex}
     \include{08定积分应用.tex}
     \include{09常微分方程.tex}
+    \include{10数项级数.tex}
 \end{document}