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<hr>
<h1 id="二-常用的语法"><a href="#二-常用的语法" class="headerlink" title="二.常用的语法"></a><code>二.常用的语法</code></h1><h3 id="1-固定语法"><a href="#1-固定语法" class="headerlink" title="1. 固定语法"></a>1. 固定语法</h3><p>&#x3D;&#x3D;<strong>单独显示：</strong>&#x3D;&#x3D;</p>
<figure class="highlight latex"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">$</span><span class="built_in">$</span></span><br><span class="line">代码</span><br><span class="line"><span class="built_in">$</span><span class="built_in">$</span></span><br></pre></td></tr></table></figure>

<p>&#x3D;&#x3D;<strong>单行显示：</strong>&#x3D;&#x3D;</p>
<figure class="highlight latex"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">$</span>代码<span class="built_in">$</span></span><br></pre></td></tr></table></figure>

<p>&#x3D;&#x3D;<strong>案例：</strong>&#x3D;&#x3D;</p>
<p>单独显示：<br>$$<br>\begin{Bmatrix}<br>   a &amp; b \<br>   c &amp; d<br>\end{Bmatrix}<br>$$</p>
<p>单行显示：</p>
<p>&#x3D;&#x3D;这是$x^2$单行的显示&#x3D;&#x3D;</p>
<h3 id="2-上下标，正负无穷"><a href="#2-上下标，正负无穷" class="headerlink" title="2. 上下标，正负无穷"></a>2. 上下标，正负无穷</h3><table>
<thead>
<tr>
<th align="center">数学表达式</th>
<th align="center">LaTeX代码</th>
</tr>
</thead>
<tbody><tr>
<td align="center">$x^2$</td>
<td align="center">x^2</td>
</tr>
<tr>
<td align="center">$y_1$</td>
<td align="center">y_1</td>
</tr>
<tr>
<td align="center">$\infty$</td>
<td align="center">\infty</td>
</tr>
<tr>
<td align="center">$-\infty$</td>
<td align="center">-\infty</td>
</tr>
</tbody></table>
<h3 id="3-加减乘，分式，根号，省略号"><a href="#3-加减乘，分式，根号，省略号" class="headerlink" title="3. 加减乘，分式，根号，省略号"></a>3. 加减乘，分式，根号，省略号</h3><table>
<thead>
<tr>
<th align="center">数学表达式</th>
<th align="center">LaTeX代码</th>
</tr>
</thead>
<tbody><tr>
<td align="center">$a+b-c*d$</td>
<td align="center">a+b-c*d</td>
</tr>
<tr>
<td align="center">$a\div{b}$</td>
<td align="center">a\div{b}</td>
</tr>
<tr>
<td align="center">$a\pm{b}$</td>
<td align="center">a\pm{b}</td>
</tr>
<tr>
<td align="center">$\frac{a}{b}$</td>
<td align="center">\frac{a}{b}</td>
</tr>
<tr>
<td align="center">$\sqrt{b}$</td>
<td align="center">\sqrt{b}$</td>
</tr>
<tr>
<td align="center">$\cdots$</td>
<td align="center">\cdots</td>
</tr>
</tbody></table>
<h3 id="4-三角函数"><a href="#4-三角函数" class="headerlink" title="4. 三角函数"></a>4. 三角函数</h3><table>
<thead>
<tr>
<th align="center">数学表达式</th>
<th align="center">LaTeX代码</th>
</tr>
</thead>
<tbody><tr>
<td align="center">$\sin{\theta}$</td>
<td align="center">\sin{\theta}</td>
</tr>
<tr>
<td align="center">$\cos{\theta}$</td>
<td align="center">\cos{\theta}</td>
</tr>
<tr>
<td align="center">$\tan{\theta}$</td>
<td align="center">\tan{\theta}</td>
</tr>
<tr>
<td align="center">$\cot{\theta}$</td>
<td align="center">\cot{\theta}</td>
</tr>
</tbody></table>
<h3 id="5-矢量，累加累乘，极限"><a href="#5-矢量，累加累乘，极限" class="headerlink" title="5. 矢量，累加累乘，极限"></a>5. 矢量，累加累乘，极限</h3><table>
<thead>
<tr>
<th align="center">数学表达式</th>
<th align="center">LaTeX代码</th>
</tr>
</thead>
<tbody><tr>
<td align="center">$\vec{F}$</td>
<td align="center">\vec{F}</td>
</tr>
<tr>
<td align="center">$\sum_{i&#x3D;1}^{n}{a_i}$</td>
<td align="center">\sum_{i&#x3D;1}^{n}{a_i}</td>
</tr>
<tr>
<td align="center">$\prod_{i&#x3D;0}^{n}{a_i}$</td>
<td align="center">\pord_{i&#x3D;0}^{n}{a_i}</td>
</tr>
<tr>
<td align="center">$\lim_{a\rightarrow+\infty}{a+b}$</td>
<td align="center">\lim_{a\rightarrow+\infty}{a+b}</td>
</tr>
</tbody></table>
<h3 id="6-矩阵"><a href="#6-矩阵" class="headerlink" title="6. 矩阵"></a>6. 矩阵</h3><table>
<thead>
<tr>
<th align="center">数学表达式</th>
<th align="center">LaTeX代码</th>
</tr>
</thead>
<tbody><tr>
<td align="center">$\alpha$</td>
<td align="center">\alpha</td>
</tr>
<tr>
<td align="center">$\beta$</td>
<td align="center">\beta</td>
</tr>
<tr>
<td align="center">$\gamma$</td>
<td align="center">\gamma</td>
</tr>
<tr>
<td align="center">$\delta$</td>
<td align="center">\delta</td>
</tr>
<tr>
<td align="center">$\epsilon$</td>
<td align="center">\epsilon</td>
</tr>
<tr>
<td align="center">$\varepsilon$</td>
<td align="center">\varepsilon</td>
</tr>
<tr>
<td align="center">$\eta$</td>
<td align="center">\eta</td>
</tr>
<tr>
<td align="center">$\theta$</td>
<td align="center">\theta</td>
</tr>
<tr>
<td align="center">$\kappa$</td>
<td align="center">\kappa</td>
</tr>
<tr>
<td align="center">$\iota$</td>
<td align="center">\iota</td>
</tr>
<tr>
<td align="center">$\zeta$</td>
<td align="center">\zeta</td>
</tr>
<tr>
<td align="center">$\lambda$</td>
<td align="center">\lambda</td>
</tr>
<tr>
<td align="center">$\mu$</td>
<td align="center">\mu</td>
</tr>
<tr>
<td align="center">$\phi$</td>
<td align="center">\phi</td>
</tr>
<tr>
<td align="center">$\pi$</td>
<td align="center">\pi</td>
</tr>
<tr>
<td align="center">$\rho$</td>
<td align="center">\rho</td>
</tr>
<tr>
<td align="center">$\xi$</td>
<td align="center">\xi</td>
</tr>
<tr>
<td align="center">$\nu$</td>
<td align="center">\nu</td>
</tr>
<tr>
<td align="center">$\upsilon$</td>
<td align="center">\upsilon</td>
</tr>
<tr>
<td align="center">$\varphi$</td>
<td align="center">\varphi</td>
</tr>
<tr>
<td align="center">$\chi$</td>
<td align="center">\chi</td>
</tr>
<tr>
<td align="center">$\psi$</td>
<td align="center">\psi</td>
</tr>
<tr>
<td align="center">$\omega$</td>
<td align="center">\omega</td>
</tr>
</tbody></table>
<h3 id="7-关系运算符"><a href="#7-关系运算符" class="headerlink" title="7. 关系运算符"></a>7. 关系运算符</h3><table>
<thead>
<tr>
<th align="center">数学表达式</th>
<th align="center">LaTeX代码</th>
</tr>
</thead>
<tbody><tr>
<td align="center">$\leq$</td>
<td align="center">\leq</td>
</tr>
<tr>
<td align="center">$\geq$</td>
<td align="center">\gep</td>
</tr>
</tbody></table>
<h2 id="三-矩阵"><a href="#三-矩阵" class="headerlink" title="三.矩阵"></a><code>三.矩阵</code></h2><h3 id="1-简单矩阵"><a href="#1-简单矩阵" class="headerlink" title="1. 简单矩阵"></a>1. 简单矩阵</h3><p>$$<br>\begin{matrix}<br> 1 &amp; 2 &amp; 3 \<br> 4 &amp; 5 &amp; 6 \<br> 7 &amp; 8 &amp; 9<br>\end{matrix}<br>$$</p>
<figure class="highlight latex"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">$</span><span class="built_in">$</span></span><br><span class="line"><span class="keyword">\begin</span>&#123;matrix&#125;</span><br><span class="line"> 1 <span class="built_in">&amp;</span> 2 <span class="built_in">&amp;</span> 3 <span class="keyword">\\</span></span><br><span class="line"> 4 <span class="built_in">&amp;</span> 5 <span class="built_in">&amp;</span> 6 <span class="keyword">\\</span></span><br><span class="line"> 7 <span class="built_in">&amp;</span> 8 <span class="built_in">&amp;</span> 9 </span><br><span class="line"><span class="keyword">\end</span>&#123;matrix&#125;</span><br><span class="line"><span class="built_in">$</span><span class="built_in">$</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">\begin</span>&#123;matrix&#125;…<span class="keyword">\end</span>&#123;matrix&#125;为固定语法</span><br><span class="line"><span class="built_in">&amp;</span> 表示空格</span><br><span class="line"><span class="keyword">\\</span> 表示换行</span><br></pre></td></tr></table></figure>


<h3 id="2-带左右括号的矩阵-大中小括号"><a href="#2-带左右括号的矩阵-大中小括号" class="headerlink" title="2.带左右括号的矩阵(大中小括号)"></a>2.带左右括号的矩阵(大中小括号)</h3><p>$$<br>\left[<br> \begin{matrix}<br>   1 &amp; 2 &amp; 3 \<br>   4 &amp; 5 &amp; 6 \<br>   7 &amp; 8 &amp; 9<br>  \end{matrix}<br>  \right]<br>$$</p>
<figure class="highlight latex"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">$</span><span class="built_in">$</span></span><br><span class="line"> <span class="keyword">\left</span>[</span><br><span class="line"> <span class="keyword">\begin</span>&#123;matrix&#125;</span><br><span class="line">   1 <span class="built_in">&amp;</span> 2 <span class="built_in">&amp;</span> 3 <span class="keyword">\\</span></span><br><span class="line">   4 <span class="built_in">&amp;</span> 5 <span class="built_in">&amp;</span> 6 <span class="keyword">\\</span></span><br><span class="line">   7 <span class="built_in">&amp;</span> 8 <span class="built_in">&amp;</span> 9</span><br><span class="line">  <span class="keyword">\end</span>&#123;matrix&#125;</span><br><span class="line">  <span class="keyword">\right</span>]</span><br><span class="line"><span class="built_in">$</span><span class="built_in">$</span></span><br><span class="line"></span><br><span class="line">在原有的代码的前面加上<span class="keyword">\left</span>[，最后加上<span class="keyword">\right</span>]</span><br></pre></td></tr></table></figure>

<p>$$<br>\left{<br> \begin{matrix}<br>   1 &amp; 2 &amp; 3 \<br>   4 &amp; 5 &amp; 6 \<br>   7 &amp; 8 &amp; 9<br>  \end{matrix}<br>  \right}<br>$$</p>
<figure class="highlight latex"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">$</span><span class="built_in">$</span></span><br><span class="line"> <span class="keyword">\left</span><span class="keyword">\[</span></span><br><span class="line"> <span class="keyword">\begin</span>&#123;matrix&#125;</span><br><span class="line">   1 <span class="built_in">&amp;</span> 2 <span class="built_in">&amp;</span> 3 <span class="keyword">\\</span></span><br><span class="line">   4 <span class="built_in">&amp;</span> 5 <span class="built_in">&amp;</span> 6 <span class="keyword">\\</span></span><br><span class="line">   7 <span class="built_in">&amp;</span> 8 <span class="built_in">&amp;</span> 9</span><br><span class="line">  <span class="keyword">\end</span>&#123;matrix&#125;</span><br><span class="line">  <span class="keyword">\right</span><span class="keyword">\]</span></span><br><span class="line"><span class="built_in">$</span><span class="built_in">$</span></span><br><span class="line"></span><br><span class="line">在原有的代码的前面加上<span class="keyword">\left</span><span class="keyword">\&#123;</span>，最后加上<span class="keyword">\right</span><span class="keyword">\&#125;</span></span><br></pre></td></tr></table></figure>

<p>$$<br>\left(<br> \begin{matrix}<br>   1 &amp; 2 &amp; 3 \<br>   4 &amp; 5 &amp; 6 \<br>   7 &amp; 8 &amp; 9<br>  \end{matrix}<br>  \right)<br>$$</p>
<figure class="highlight latex"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">$</span><span class="built_in">$</span></span><br><span class="line"> <span class="keyword">\left</span>(</span><br><span class="line"> <span class="keyword">\begin</span>&#123;matrix&#125;</span><br><span class="line">   1 <span class="built_in">&amp;</span> 2 <span class="built_in">&amp;</span> 3 <span class="keyword">\\</span></span><br><span class="line">   4 <span class="built_in">&amp;</span> 5 <span class="built_in">&amp;</span> 6 <span class="keyword">\\</span></span><br><span class="line">   7 <span class="built_in">&amp;</span> 8 <span class="built_in">&amp;</span> 9</span><br><span class="line">  <span class="keyword">\end</span>&#123;matrix&#125;</span><br><span class="line">  <span class="keyword">\right</span>)</span><br><span class="line"><span class="built_in">$</span><span class="built_in">$</span></span><br><span class="line"></span><br><span class="line">在原有的代码的前面加上<span class="keyword">\left</span>(，最后加上<span class="keyword">\right</span>)</span><br></pre></td></tr></table></figure>

<h3 id="3-包含希腊字母与省略号"><a href="#3-包含希腊字母与省略号" class="headerlink" title="3.包含希腊字母与省略号"></a><strong>3.包含希腊字母与省略号</strong></h3><p>$$<br>\left{<br> \begin{matrix}<br> 1      &amp; 2        &amp; \cdots &amp; 5        \<br> 6      &amp; 7        &amp; \cdots &amp; 10       \<br> \vdots &amp; \vdots   &amp; \ddots &amp; \vdots   \<br> \alpha &amp; \alpha+1 &amp; \cdots &amp; \alpha+4<br> \end{matrix}<br> \right}<br>$$</p>
<figure class="highlight latex"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">$</span><span class="built_in">$</span></span><br><span class="line"> <span class="keyword">\left</span><span class="keyword">\&#123;</span></span><br><span class="line"> <span class="keyword">\begin</span>&#123;matrix&#125;</span><br><span class="line"> 1      <span class="built_in">&amp;</span> 2        <span class="built_in">&amp;</span> <span class="keyword">\cdots</span> <span class="built_in">&amp;</span> 5        <span class="keyword">\\</span></span><br><span class="line"> 6      <span class="built_in">&amp;</span> 7        <span class="built_in">&amp;</span> <span class="keyword">\cdots</span> <span class="built_in">&amp;</span> 10       <span class="keyword">\\</span></span><br><span class="line"> <span class="keyword">\vdots</span> <span class="built_in">&amp;</span> <span class="keyword">\vdots</span>   <span class="built_in">&amp;</span> <span class="keyword">\ddots</span> <span class="built_in">&amp;</span> <span class="keyword">\vdots</span>   <span class="keyword">\\</span></span><br><span class="line"> <span class="keyword">\alpha</span> <span class="built_in">&amp;</span> <span class="keyword">\alpha</span>+1 <span class="built_in">&amp;</span> <span class="keyword">\cdots</span> <span class="built_in">&amp;</span> <span class="keyword">\alpha</span>+4 </span><br><span class="line"> <span class="keyword">\end</span>&#123;matrix&#125;</span><br><span class="line"> <span class="keyword">\right</span><span class="keyword">\&#125;</span></span><br><span class="line"><span class="built_in">$</span><span class="built_in">$</span></span><br><span class="line"></span><br><span class="line">行省略号<span class="keyword">\cdots</span>，列省略号<span class="keyword">\vdots</span>，斜向省略号（左上至右下）<span class="keyword">\ddots</span></span><br></pre></td></tr></table></figure>

<h3 id="4-行列式"><a href="#4-行列式" class="headerlink" title="4. 行列式"></a>4. 行列式</h3><p>$$<br>\begin{vmatrix}<br>   1 &amp; 2 &amp; 3 \<br>   4 &amp; 5 &amp; 6 \<br>   7 &amp; 8 &amp; 9<br>  \end{vmatrix}<br>\tag{1}<br>$$</p>
<figure class="highlight latex"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">$</span><span class="built_in">$</span></span><br><span class="line"> <span class="keyword">\begin</span>&#123;vmatrix&#125;</span><br><span class="line">   1 <span class="built_in">&amp;</span> 2 <span class="built_in">&amp;</span> 3 <span class="keyword">\\</span></span><br><span class="line">   4 <span class="built_in">&amp;</span> 5 <span class="built_in">&amp;</span> 6 <span class="keyword">\\</span></span><br><span class="line">   7 <span class="built_in">&amp;</span> 8 <span class="built_in">&amp;</span> 9</span><br><span class="line">  <span class="keyword">\end</span>&#123;vmatrix&#125;</span><br><span class="line"><span class="keyword">\tag</span>&#123;1&#125;</span><br><span class="line"><span class="built_in">$</span><span class="built_in">$</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">\begin</span>&#123;vmatrix&#125;...<span class="keyword">\end</span>&#123;vmatrix&#125;为固定语法</span><br><span class="line"><span class="keyword">\tag</span>&#123;1&#125;为右侧的序号</span><br></pre></td></tr></table></figure>


<h2 id="四-方程组、条件表达式"><a href="#四-方程组、条件表达式" class="headerlink" title="四. 方程组、条件表达式"></a><code>四. 方程组、条件表达式</code></h2><h3 id="1-方程组"><a href="#1-方程组" class="headerlink" title="1. 方程组"></a>1. 方程组</h3><p>$$<br>\begin{cases}<br>3x + 5y +  z \<br>7x - 2y + 4z \<br>-6x + 3y + 2z<br>\end{cases}<br>$$</p>
<figure class="highlight latex"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">$</span><span class="built_in">$</span></span><br><span class="line"><span class="keyword">\begin</span>&#123;cases&#125;</span><br><span class="line">3x + 5y +  z <span class="keyword">\\</span></span><br><span class="line">7x - 2y + 4z <span class="keyword">\\</span></span><br><span class="line">-6x + 3y + 2z</span><br><span class="line"><span class="keyword">\end</span>&#123;cases&#125;</span><br><span class="line"><span class="built_in">$</span><span class="built_in">$</span></span><br><span class="line"></span><br><span class="line"><span class="keyword">\begin</span>&#123;cases&#125;...<span class="keyword">\end</span>&#123;cases&#125;为固定语法</span><br></pre></td></tr></table></figure>

<h3 id="2-条件表达式"><a href="#2-条件表达式" class="headerlink" title="2. 条件表达式"></a>2. 条件表达式</h3><p>$$<br>f(n) &#x3D;<br>\begin{cases}<br>n&#x2F;2,  &amp; \text{if }n\text{ is even} \<br>3n+1, &amp; \text{if }n\text{ is odd}<br>\end{cases}<br>$$</p>
<figure class="highlight latex"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br></pre></td><td class="code"><pre><span class="line"><span class="built_in">$</span><span class="built_in">$</span></span><br><span class="line">f(n) =</span><br><span class="line"><span class="keyword">\begin</span>&#123;cases&#125; </span><br><span class="line">n/2,  <span class="built_in">&amp;</span> <span class="keyword">\text</span>&#123;if &#125;n<span class="keyword">\text</span>&#123; is even&#125; <span class="keyword">\\</span></span><br><span class="line">3n+1, <span class="built_in">&amp;</span> <span class="keyword">\text</span>&#123;if &#125;n<span class="keyword">\text</span>&#123; is odd&#125;</span><br><span class="line"><span class="keyword">\end</span>&#123;cases&#125;</span><br><span class="line"><span class="built_in">$</span><span class="built_in">$</span></span><br></pre></td></tr></table></figure>

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class="card-widget" id="card-toc"><div class="item-headline"><i class="fas fa-stream"></i><span>目录</span><span class="toc-percentage"></span></div><div class="toc-content"><ol class="toc"><li class="toc-item toc-level-1"><a class="toc-link" href="#%E5%BB%BA%E8%AE%AE%E7%82%B9%E6%88%91%E6%9F%A5%E7%9C%8BPDF%E7%89%88%E6%9C%AC"><span class="toc-text">建议点我查看PDF版本</span></a></li><li class="toc-item toc-level-1"><a class="toc-link" href="#%E4%B8%80-%E7%AE%80%E4%BB%8B"><span class="toc-text">一.简介</span></a></li><li class="toc-item toc-level-1"><a class="toc-link" href="#%E4%BA%8C-%E5%B8%B8%E7%94%A8%E7%9A%84%E8%AF%AD%E6%B3%95"><span class="toc-text">二.常用的语法</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#1-%E5%9B%BA%E5%AE%9A%E8%AF%AD%E6%B3%95"><span class="toc-text">1. 固定语法</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#2-%E4%B8%8A%E4%B8%8B%E6%A0%87%EF%BC%8C%E6%AD%A3%E8%B4%9F%E6%97%A0%E7%A9%B7"><span class="toc-text">2. 上下标，正负无穷</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#3-%E5%8A%A0%E5%87%8F%E4%B9%98%EF%BC%8C%E5%88%86%E5%BC%8F%EF%BC%8C%E6%A0%B9%E5%8F%B7%EF%BC%8C%E7%9C%81%E7%95%A5%E5%8F%B7"><span class="toc-text">3. 加减乘，分式，根号，省略号</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#4-%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B0"><span class="toc-text">4. 三角函数</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#5-%E7%9F%A2%E9%87%8F%EF%BC%8C%E7%B4%AF%E5%8A%A0%E7%B4%AF%E4%B9%98%EF%BC%8C%E6%9E%81%E9%99%90"><span class="toc-text">5. 矢量，累加累乘，极限</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#6-%E7%9F%A9%E9%98%B5"><span class="toc-text">6. 矩阵</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#7-%E5%85%B3%E7%B3%BB%E8%BF%90%E7%AE%97%E7%AC%A6"><span class="toc-text">7. 关系运算符</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E4%B8%89-%E7%9F%A9%E9%98%B5"><span class="toc-text">三.矩阵</span></a><ol class="toc-child"><li class="toc-item toc-level-3"><a class="toc-link" href="#1-%E7%AE%80%E5%8D%95%E7%9F%A9%E9%98%B5"><span class="toc-text">1. 简单矩阵</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#2-%E5%B8%A6%E5%B7%A6%E5%8F%B3%E6%8B%AC%E5%8F%B7%E7%9A%84%E7%9F%A9%E9%98%B5-%E5%A4%A7%E4%B8%AD%E5%B0%8F%E6%8B%AC%E5%8F%B7"><span class="toc-text">2.带左右括号的矩阵(大中小括号)</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#3-%E5%8C%85%E5%90%AB%E5%B8%8C%E8%85%8A%E5%AD%97%E6%AF%8D%E4%B8%8E%E7%9C%81%E7%95%A5%E5%8F%B7"><span class="toc-text">3.包含希腊字母与省略号</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#4-%E8%A1%8C%E5%88%97%E5%BC%8F"><span class="toc-text">4. 行列式</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E5%9B%9B-%E6%96%B9%E7%A8%8B%E7%BB%84%E3%80%81%E6%9D%A1%E4%BB%B6%E8%A1%A8%E8%BE%BE%E5%BC%8F"><span class="toc-text">四. 方程组、条件表达式</span></a><ol 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