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math.asin(x)
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math.acos(x)
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数学常数
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math.pi()
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math.e()
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math.ceil(x)
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最值函数
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math.max(...args)
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math.min(...args)
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随机数
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math.random()
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<a href="#mathrandinta-b" class="md-nav__link">
<span class="md-ellipsis">
math.randint(a, b)
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示例代码
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注意事项
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字符串库
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数组库
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工具库
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简介
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导入方式
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函数参考
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基本数学函数
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<a href="#mathabsx" class="md-nav__link">
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math.abs(x)
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<a href="#mathsqrtx" class="md-nav__link">
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math.sqrt(x)
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<a href="#mathpowx-y" class="md-nav__link">
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math.pow(x, y)
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<a href="#mathexpx" class="md-nav__link">
<span class="md-ellipsis">
math.exp(x)
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<a href="#mathlogx" class="md-nav__link">
<span class="md-ellipsis">
math.log(x)
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<li class="md-nav__item">
<a href="#mathlog10x" class="md-nav__link">
<span class="md-ellipsis">
math.log10(x)
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<a href="#_6" class="md-nav__link">
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三角函数
</span>
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math.sin(x)
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<li class="md-nav__item">
<a href="#mathcosx" class="md-nav__link">
<span class="md-ellipsis">
math.cos(x)
</span>
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</li>
<li class="md-nav__item">
<a href="#mathtanx" class="md-nav__link">
<span class="md-ellipsis">
math.tan(x)
</span>
</a>
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<li class="md-nav__item">
<a href="#mathasinx" class="md-nav__link">
<span class="md-ellipsis">
math.asin(x)
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#mathacosx" class="md-nav__link">
<span class="md-ellipsis">
math.acos(x)
</span>
</a>
</li>
<li class="md-nav__item">
<a href="#mathatanx" class="md-nav__link">
<span class="md-ellipsis">
math.atan(x)
</span>
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<a href="#_7" class="md-nav__link">
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数学常数
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<a href="#mathpi" class="md-nav__link">
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math.pi()
</span>
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<li class="md-nav__item">
<a href="#mathe" class="md-nav__link">
<span class="md-ellipsis">
math.e()
</span>
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<a href="#_8" class="md-nav__link">
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取整函数
</span>
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<a href="#mathfloorx" class="md-nav__link">
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math.floor(x)
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<a href="#mathceilx" class="md-nav__link">
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math.ceil(x)
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<a href="#mathroundx" class="md-nav__link">
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math.round(x)
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<a href="#_9" class="md-nav__link">
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最值函数
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math.max(...args)
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<a href="#mathminargs" class="md-nav__link">
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math.min(...args)
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随机数
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math.random()
</span>
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<a href="#mathrandinta-b" class="md-nav__link">
<span class="md-ellipsis">
math.randint(a, b)
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示例代码
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<div class="md-content" data-md-component="content">
<article class="md-content__inner md-typeset">
<h1 id="_1">数学库<a class="headerlink" href="#_1" title="Permanent link">&para;</a></h1>
<h2 id="_2">简介<a class="headerlink" href="#_2" title="Permanent link">&para;</a></h2>
<p>数学库（<code>@math</code>）提供了一系列数学运算函数，包括基本运算、三角函数、随机数生成等。</p>
<h2 id="_3">导入方式<a class="headerlink" href="#_3" title="Permanent link">&para;</a></h2>
<div class="highlight"><pre><span></span><code><a id="__codelineno-0-1" name="__codelineno-0-1" href="#__codelineno-0-1"></a>@math;
</code></pre></div>
<h2 id="_4">函数参考<a class="headerlink" href="#_4" title="Permanent link">&para;</a></h2>
<h3 id="_5">基本数学函数<a class="headerlink" href="#_5" title="Permanent link">&para;</a></h3>
<h4 id="mathabsx">math.abs(x)<a class="headerlink" href="#mathabsx" title="Permanent link">&para;</a></h4>
<p>计算绝对值。</p>
<p><strong>参数：</strong>
- <code>x</code> - 数字</p>
<p><strong>返回值：</strong>
- 数字的绝对值</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-1-1" name="__codelineno-1-1" href="#__codelineno-1-1"></a>@math;
<a id="__codelineno-1-2" name="__codelineno-1-2" href="#__codelineno-1-2"></a>
<a id="__codelineno-1-3" name="__codelineno-1-3" href="#__codelineno-1-3"></a>show(`abs(-123) = `, math.abs(-123)); !! 输出: 123
</code></pre></div>
<h4 id="mathsqrtx">math.sqrt(x)<a class="headerlink" href="#mathsqrtx" title="Permanent link">&para;</a></h4>
<p>计算平方根。</p>
<p><strong>参数：</strong>
- <code>x</code> - 非负数</p>
<p><strong>返回值：</strong>
- 平方根值</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-2-1" name="__codelineno-2-1" href="#__codelineno-2-1"></a>@math;
<a id="__codelineno-2-2" name="__codelineno-2-2" href="#__codelineno-2-2"></a>
<a id="__codelineno-2-3" name="__codelineno-2-3" href="#__codelineno-2-3"></a>show(`sqrt(16) = `, math.sqrt(16)); !! 输出: 4
</code></pre></div>
<h4 id="mathpowx-y">math.pow(x, y)<a class="headerlink" href="#mathpowx-y" title="Permanent link">&para;</a></h4>
<p>计算 x 的 y 次方。</p>
<p><strong>参数：</strong>
- <code>x</code> - 底数
- <code>y</code> - 指数</p>
<p><strong>返回值：</strong>
- x 的 y 次方</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-3-1" name="__codelineno-3-1" href="#__codelineno-3-1"></a>@math;
<a id="__codelineno-3-2" name="__codelineno-3-2" href="#__codelineno-3-2"></a>
<a id="__codelineno-3-3" name="__codelineno-3-3" href="#__codelineno-3-3"></a>show(`pow(2, 3) = `, math.pow(2, 3)); !! 输出: 8
</code></pre></div>
<h4 id="mathexpx">math.exp(x)<a class="headerlink" href="#mathexpx" title="Permanent link">&para;</a></h4>
<p>计算 e 的 x 次方。</p>
<p><strong>参数：</strong>
- <code>x</code> - 指数</p>
<p><strong>返回值：</strong>
- e 的 x 次方</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-4-1" name="__codelineno-4-1" href="#__codelineno-4-1"></a>@math;
<a id="__codelineno-4-2" name="__codelineno-4-2" href="#__codelineno-4-2"></a>
<a id="__codelineno-4-3" name="__codelineno-4-3" href="#__codelineno-4-3"></a>show(`exp(1) = `, math.exp(1)); !! 输出: 2.718281828459045
</code></pre></div>
<h4 id="mathlogx">math.log(x)<a class="headerlink" href="#mathlogx" title="Permanent link">&para;</a></h4>
<p>计算自然对数。</p>
<p><strong>参数：</strong>
- <code>x</code> - 正数</p>
<p><strong>返回值：</strong>
- 自然对数值</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-5-1" name="__codelineno-5-1" href="#__codelineno-5-1"></a>@math;
<a id="__codelineno-5-2" name="__codelineno-5-2" href="#__codelineno-5-2"></a>
<a id="__codelineno-5-3" name="__codelineno-5-3" href="#__codelineno-5-3"></a>show(`log(e) = `, math.log(math.exp(1))); !! 输出: 1
</code></pre></div>
<h4 id="mathlog10x">math.log10(x)<a class="headerlink" href="#mathlog10x" title="Permanent link">&para;</a></h4>
<p>计算以 10 为底的对数。</p>
<p><strong>参数：</strong>
- <code>x</code> - 正数</p>
<p><strong>返回值：</strong>
- 以 10 为底的对数值</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-6-1" name="__codelineno-6-1" href="#__codelineno-6-1"></a>@math;
<a id="__codelineno-6-2" name="__codelineno-6-2" href="#__codelineno-6-2"></a>
<a id="__codelineno-6-3" name="__codelineno-6-3" href="#__codelineno-6-3"></a>show(`log10(100) = `, math.log10(100)); !! 输出: 2
</code></pre></div>
<h3 id="_6">三角函数<a class="headerlink" href="#_6" title="Permanent link">&para;</a></h3>
<h4 id="mathsinx">math.sin(x)<a class="headerlink" href="#mathsinx" title="Permanent link">&para;</a></h4>
<p>计算正弦值（角度）。</p>
<p><strong>参数：</strong>
- <code>x</code> - 角度</p>
<p><strong>返回值：</strong>
- 正弦值</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-7-1" name="__codelineno-7-1" href="#__codelineno-7-1"></a>@math;
<a id="__codelineno-7-2" name="__codelineno-7-2" href="#__codelineno-7-2"></a>
<a id="__codelineno-7-3" name="__codelineno-7-3" href="#__codelineno-7-3"></a>show(`sin(90) = `, math.sin(90)); !! 输出: 1
</code></pre></div>
<h4 id="mathcosx">math.cos(x)<a class="headerlink" href="#mathcosx" title="Permanent link">&para;</a></h4>
<p>计算余弦值（角度）。</p>
<p><strong>参数：</strong>
- <code>x</code> - 角度</p>
<p><strong>返回值：</strong>
- 余弦值</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-8-1" name="__codelineno-8-1" href="#__codelineno-8-1"></a>@math;
<a id="__codelineno-8-2" name="__codelineno-8-2" href="#__codelineno-8-2"></a>
<a id="__codelineno-8-3" name="__codelineno-8-3" href="#__codelineno-8-3"></a>show(`cos(0) = `, math.cos(0)); !! 输出: 1
</code></pre></div>
<h4 id="mathtanx">math.tan(x)<a class="headerlink" href="#mathtanx" title="Permanent link">&para;</a></h4>
<p>计算正切值（角度）。</p>
<p><strong>参数：</strong>
- <code>x</code> - 角度</p>
<p><strong>返回值：</strong>
- 正切值</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-9-1" name="__codelineno-9-1" href="#__codelineno-9-1"></a>@math;
<a id="__codelineno-9-2" name="__codelineno-9-2" href="#__codelineno-9-2"></a>
<a id="__codelineno-9-3" name="__codelineno-9-3" href="#__codelineno-9-3"></a>show(`tan(45) = `, math.tan(45)); !! 输出: 1
</code></pre></div>
<h4 id="mathasinx">math.asin(x)<a class="headerlink" href="#mathasinx" title="Permanent link">&para;</a></h4>
<p>计算反正弦值（返回角度）。</p>
<p><strong>参数：</strong>
- <code>x</code> - 值（-1 到 1 之间）</p>
<p><strong>返回值：</strong>
- 反正弦角度</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-10-1" name="__codelineno-10-1" href="#__codelineno-10-1"></a>@math;
<a id="__codelineno-10-2" name="__codelineno-10-2" href="#__codelineno-10-2"></a>
<a id="__codelineno-10-3" name="__codelineno-10-3" href="#__codelineno-10-3"></a>show(`asin(1) = `, math.asin(1)); !! 输出: 90
</code></pre></div>
<h4 id="mathacosx">math.acos(x)<a class="headerlink" href="#mathacosx" title="Permanent link">&para;</a></h4>
<p>计算反余弦值（返回角度）。</p>
<p><strong>参数：</strong>
- <code>x</code> - 值（-1 到 1 之间）</p>
<p><strong>返回值：</strong>
- 反余弦角度</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-11-1" name="__codelineno-11-1" href="#__codelineno-11-1"></a>@math;
<a id="__codelineno-11-2" name="__codelineno-11-2" href="#__codelineno-11-2"></a>
<a id="__codelineno-11-3" name="__codelineno-11-3" href="#__codelineno-11-3"></a>show(`acos(1) = `, math.acos(1)); !! 输出: 0
</code></pre></div>
<h4 id="mathatanx">math.atan(x)<a class="headerlink" href="#mathatanx" title="Permanent link">&para;</a></h4>
<p>计算反正切值（返回角度）。</p>
<p><strong>参数：</strong>
- <code>x</code> - 值</p>
<p><strong>返回值：</strong>
- 反正切角度</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-12-1" name="__codelineno-12-1" href="#__codelineno-12-1"></a>@math;
<a id="__codelineno-12-2" name="__codelineno-12-2" href="#__codelineno-12-2"></a>
<a id="__codelineno-12-3" name="__codelineno-12-3" href="#__codelineno-12-3"></a>show(`atan(1) = `, math.atan(1)); !! 输出: 45
</code></pre></div>
<h3 id="_7">数学常数<a class="headerlink" href="#_7" title="Permanent link">&para;</a></h3>
<h4 id="mathpi">math.pi()<a class="headerlink" href="#mathpi" title="Permanent link">&para;</a></h4>
<p>返回圆周率 π。</p>
<p><strong>参数：</strong>
- 无</p>
<p><strong>返回值：</strong>
- 圆周率 π 值</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-13-1" name="__codelineno-13-1" href="#__codelineno-13-1"></a>@math;
<a id="__codelineno-13-2" name="__codelineno-13-2" href="#__codelineno-13-2"></a>
<a id="__codelineno-13-3" name="__codelineno-13-3" href="#__codelineno-13-3"></a>show(`π = `, math.pi()); !! 输出: 3.141592653589793
</code></pre></div>
<h4 id="mathe">math.e()<a class="headerlink" href="#mathe" title="Permanent link">&para;</a></h4>
<p>返回自然对数的底 e。</p>
<p><strong>参数：</strong>
- 无</p>
<p><strong>返回值：</strong>
- 自然对数的底 e 值</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-14-1" name="__codelineno-14-1" href="#__codelineno-14-1"></a>@math;
<a id="__codelineno-14-2" name="__codelineno-14-2" href="#__codelineno-14-2"></a>
<a id="__codelineno-14-3" name="__codelineno-14-3" href="#__codelineno-14-3"></a>show(`e = `, math.e()); !! 输出: 2.718281828459045
</code></pre></div>
<h3 id="_8">取整函数<a class="headerlink" href="#_8" title="Permanent link">&para;</a></h3>
<h4 id="mathfloorx">math.floor(x)<a class="headerlink" href="#mathfloorx" title="Permanent link">&para;</a></h4>
<p>向下取整。</p>
<p><strong>参数：</strong>
- <code>x</code> - 数字</p>
<p><strong>返回值：</strong>
- 向下取整后的整数</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-15-1" name="__codelineno-15-1" href="#__codelineno-15-1"></a>@math;
<a id="__codelineno-15-2" name="__codelineno-15-2" href="#__codelineno-15-2"></a>
<a id="__codelineno-15-3" name="__codelineno-15-3" href="#__codelineno-15-3"></a>show(`floor(3.9) = `, math.floor(3.9)); !! 输出: 3
<a id="__codelineno-15-4" name="__codelineno-15-4" href="#__codelineno-15-4"></a>show(`floor(-3.1) = `, math.floor(-3.1)); !! 输出: -4
</code></pre></div>
<h4 id="mathceilx">math.ceil(x)<a class="headerlink" href="#mathceilx" title="Permanent link">&para;</a></h4>
<p>向上取整。</p>
<p><strong>参数：</strong>
- <code>x</code> - 数字</p>
<p><strong>返回值：</strong>
- 向上取整后的整数</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-16-1" name="__codelineno-16-1" href="#__codelineno-16-1"></a>@math;
<a id="__codelineno-16-2" name="__codelineno-16-2" href="#__codelineno-16-2"></a>
<a id="__codelineno-16-3" name="__codelineno-16-3" href="#__codelineno-16-3"></a>show(`ceil(3.1) = `, math.ceil(3.1)); !! 输出: 4
<a id="__codelineno-16-4" name="__codelineno-16-4" href="#__codelineno-16-4"></a>show(`ceil(-3.9) = `, math.ceil(-3.9)); !! 输出: -3
</code></pre></div>
<h4 id="mathroundx">math.round(x)<a class="headerlink" href="#mathroundx" title="Permanent link">&para;</a></h4>
<p>四舍五入。</p>
<p><strong>参数：</strong>
- <code>x</code> - 数字</p>
<p><strong>返回值：</strong>
- 四舍五入后的整数</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-17-1" name="__codelineno-17-1" href="#__codelineno-17-1"></a>@math;
<a id="__codelineno-17-2" name="__codelineno-17-2" href="#__codelineno-17-2"></a>
<a id="__codelineno-17-3" name="__codelineno-17-3" href="#__codelineno-17-3"></a>show(`round(3.1) = `, math.round(3.1)); !! 输出: 3
<a id="__codelineno-17-4" name="__codelineno-17-4" href="#__codelineno-17-4"></a>show(`round(3.6) = `, math.round(3.6)); !! 输出: 4
</code></pre></div>
<h3 id="_9">最值函数<a class="headerlink" href="#_9" title="Permanent link">&para;</a></h3>
<h4 id="mathmaxargs">math.max(...args)<a class="headerlink" href="#mathmaxargs" title="Permanent link">&para;</a></h4>
<p>返回多个数字中的最大值。</p>
<p><strong>参数：</strong>
- <code>...args</code> - 多个数字</p>
<p><strong>返回值：</strong>
- 最大值</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-18-1" name="__codelineno-18-1" href="#__codelineno-18-1"></a>@math;
<a id="__codelineno-18-2" name="__codelineno-18-2" href="#__codelineno-18-2"></a>
<a id="__codelineno-18-3" name="__codelineno-18-3" href="#__codelineno-18-3"></a>show(`max(10, 5, 20) = `, math.max(10, 5, 20)); !! 输出: 20
</code></pre></div>
<h4 id="mathminargs">math.min(...args)<a class="headerlink" href="#mathminargs" title="Permanent link">&para;</a></h4>
<p>返回多个数字中的最小值。</p>
<p><strong>参数：</strong>
- <code>...args</code> - 多个数字</p>
<p><strong>返回值：</strong>
- 最小值</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-19-1" name="__codelineno-19-1" href="#__codelineno-19-1"></a>@math;
<a id="__codelineno-19-2" name="__codelineno-19-2" href="#__codelineno-19-2"></a>
<a id="__codelineno-19-3" name="__codelineno-19-3" href="#__codelineno-19-3"></a>show(`min(10, 5, 20) = `, math.min(10, 5, 20)); !! 输出: 5
</code></pre></div>
<h3 id="_10">随机数<a class="headerlink" href="#_10" title="Permanent link">&para;</a></h3>
<h4 id="mathrandom">math.random()<a class="headerlink" href="#mathrandom" title="Permanent link">&para;</a></h4>
<p>生成 0 到 1 之间的随机小数。</p>
<p><strong>参数：</strong>
- 无</p>
<p><strong>返回值：</strong>
- 0 到 1 之间的随机小数</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-20-1" name="__codelineno-20-1" href="#__codelineno-20-1"></a>@math;
<a id="__codelineno-20-2" name="__codelineno-20-2" href="#__codelineno-20-2"></a>
<a id="__codelineno-20-3" name="__codelineno-20-3" href="#__codelineno-20-3"></a>show(`random() = `, math.random()); !! 输出: 0.123456789
</code></pre></div>
<h4 id="mathrandinta-b">math.randint(a, b)<a class="headerlink" href="#mathrandinta-b" title="Permanent link">&para;</a></h4>
<p>生成指定范围内的随机整数。</p>
<p><strong>参数：</strong>
- <code>a</code> - 最小值
- <code>b</code> - 最大值</p>
<p><strong>返回值：</strong>
- 范围内的随机整数</p>
<p><strong>示例：</strong></p>
<div class="highlight"><pre><span></span><code><a id="__codelineno-21-1" name="__codelineno-21-1" href="#__codelineno-21-1"></a>@math;
<a id="__codelineno-21-2" name="__codelineno-21-2" href="#__codelineno-21-2"></a>
<a id="__codelineno-21-3" name="__codelineno-21-3" href="#__codelineno-21-3"></a>show(`randint(1, 100) = `, math.randint(1, 100)); !! 输出: 42
</code></pre></div>
<h2 id="_11">示例代码<a class="headerlink" href="#_11" title="Permanent link">&para;</a></h2>
<div class="highlight"><pre><span></span><code><a id="__codelineno-22-1" name="__codelineno-22-1" href="#__codelineno-22-1"></a>@math;
<a id="__codelineno-22-2" name="__codelineno-22-2" href="#__codelineno-22-2"></a>
<a id="__codelineno-22-3" name="__codelineno-22-3" href="#__codelineno-22-3"></a>!! 基本运算
<a id="__codelineno-22-4" name="__codelineno-22-4" href="#__codelineno-22-4"></a>show(`abs(-123) = `, math.abs(-123));
<a id="__codelineno-22-5" name="__codelineno-22-5" href="#__codelineno-22-5"></a>show(`sqrt(16) = `, math.sqrt(16));
<a id="__codelineno-22-6" name="__codelineno-22-6" href="#__codelineno-22-6"></a>show(`pow(2, 3) = `, math.pow(2, 3));
<a id="__codelineno-22-7" name="__codelineno-22-7" href="#__codelineno-22-7"></a>show(`exp(1) = `, math.exp(1));
<a id="__codelineno-22-8" name="__codelineno-22-8" href="#__codelineno-22-8"></a>show(`log(e) = `, math.log(math.exp(1)));
<a id="__codelineno-22-9" name="__codelineno-22-9" href="#__codelineno-22-9"></a>show(`log10(100) = `, math.log10(100));
<a id="__codelineno-22-10" name="__codelineno-22-10" href="#__codelineno-22-10"></a>
<a id="__codelineno-22-11" name="__codelineno-22-11" href="#__codelineno-22-11"></a>!! 三角函数
<a id="__codelineno-22-12" name="__codelineno-22-12" href="#__codelineno-22-12"></a>show(`sin(90) = `, math.sin(90));
<a id="__codelineno-22-13" name="__codelineno-22-13" href="#__codelineno-22-13"></a>show(`cos(0) = `, math.cos(0));
<a id="__codelineno-22-14" name="__codelineno-22-14" href="#__codelineno-22-14"></a>show(`tan(45) = `, math.tan(45));
<a id="__codelineno-22-15" name="__codelineno-22-15" href="#__codelineno-22-15"></a>show(`asin(1) = `, math.asin(1));
<a id="__codelineno-22-16" name="__codelineno-22-16" href="#__codelineno-22-16"></a>show(`acos(1) = `, math.acos(1));
<a id="__codelineno-22-17" name="__codelineno-22-17" href="#__codelineno-22-17"></a>show(`atan(1) = `, math.atan(1));
<a id="__codelineno-22-18" name="__codelineno-22-18" href="#__codelineno-22-18"></a>
<a id="__codelineno-22-19" name="__codelineno-22-19" href="#__codelineno-22-19"></a>!! 数学常数
<a id="__codelineno-22-20" name="__codelineno-22-20" href="#__codelineno-22-20"></a>show(`π = `, math.pi());
<a id="__codelineno-22-21" name="__codelineno-22-21" href="#__codelineno-22-21"></a>show(`e = `, math.e());
<a id="__codelineno-22-22" name="__codelineno-22-22" href="#__codelineno-22-22"></a>
<a id="__codelineno-22-23" name="__codelineno-22-23" href="#__codelineno-22-23"></a>!! 取整函数
<a id="__codelineno-22-24" name="__codelineno-22-24" href="#__codelineno-22-24"></a>show(`floor(3.9) = `, math.floor(3.9));
<a id="__codelineno-22-25" name="__codelineno-22-25" href="#__codelineno-22-25"></a>show(`ceil(3.1) = `, math.ceil(3.1));
<a id="__codelineno-22-26" name="__codelineno-22-26" href="#__codelineno-22-26"></a>show(`round(3.6) = `, math.round(3.6));
<a id="__codelineno-22-27" name="__codelineno-22-27" href="#__codelineno-22-27"></a>
<a id="__codelineno-22-28" name="__codelineno-22-28" href="#__codelineno-22-28"></a>!! 最值
<a id="__codelineno-22-29" name="__codelineno-22-29" href="#__codelineno-22-29"></a>show(`max(10, 5, 20) = `, math.max(10, 5, 20));
<a id="__codelineno-22-30" name="__codelineno-22-30" href="#__codelineno-22-30"></a>show(`min(10, 5, 20) = `, math.min(10, 5, 20));
<a id="__codelineno-22-31" name="__codelineno-22-31" href="#__codelineno-22-31"></a>
<a id="__codelineno-22-32" name="__codelineno-22-32" href="#__codelineno-22-32"></a>!! 随机数
<a id="__codelineno-22-33" name="__codelineno-22-33" href="#__codelineno-22-33"></a>show(`random() = `, math.random());
<a id="__codelineno-22-34" name="__codelineno-22-34" href="#__codelineno-22-34"></a>show(`randint(1, 100) = `, math.randint(1, 100));
</code></pre></div>
<h2 id="_12">注意事项<a class="headerlink" href="#_12" title="Permanent link">&para;</a></h2>
<ul>
<li>三角函数使用角度作为参数，而非弧度</li>
<li>对于 <code>sqrt</code> 和 <code>log</code> 等函数，参数必须满足数学要求</li>
<li>随机数生成函数使用系统的随机数生成器</li>
<li>所有函数都返回数字类型的值</li>
</ul>
</article>
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