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68 lines
2.3 KiB
HTML
68 lines
2.3 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>双曲正弦</title>
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</head>
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<body class="docs"><div id="layout">
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<div id="layout-content"><div id="function.sinh" class="refentry">
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<div class="refnamediv">
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<h1 class="refname">sinh</h1>
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<p class="verinfo">(PHP 4 >= 4.1.0, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">sinh</span> — <span class="dc-title">双曲正弦</span></p>
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</div>
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<div class="refsect1 description" id="refsect1-function.sinh-description">
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<h3 class="title">说明</h3>
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<div class="methodsynopsis dc-description">
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<span class="methodname"><strong>sinh</strong></span>
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( <span class="methodparam"><span class="type">float</span> <code class="parameter">$arg</code></span>
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) : <span class="type">float</span></div>
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<p class="para rdfs-comment">
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返回 <code class="parameter">arg</code> 的双曲正弦值，定义为
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<em>(exp(arg) - exp(-arg))/2</em>。
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</p>
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</div>
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<div class="refsect1 parameters" id="refsect1-function.sinh-parameters">
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<h3 class="title">参数</h3>
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<p class="para">
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<dl>
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<dt>
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<code class="parameter">arg</code></dt>
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<dd>
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<p class="para">
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要处理的参数
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</p>
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</dd>
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</dl>
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</p>
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</div>
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<div class="refsect1 returnvalues" id="refsect1-function.sinh-returnvalues">
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<h3 class="title">返回值</h3>
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<p class="para">
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<code class="parameter">arg</code> 的双曲正弦值
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</p>
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</div>
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<div class="refsect1 seealso" id="refsect1-function.sinh-seealso">
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<h3 class="title">参见</h3>
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<p class="para">
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<ul class="simplelist">
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<li class="member"><span class="function"><a href="sin.html" class="function" rel="rdfs-seeAlso">sin()</a> - 正弦</span></li>
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<li class="member"><span class="function"><a href="asinh.html" class="function" rel="rdfs-seeAlso">asinh()</a> - 反双曲正弦</span></li>
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<li class="member"><span class="function"><a href="cosh.html" class="function" rel="rdfs-seeAlso">cosh()</a> - 双曲余弦</span></li>
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<li class="member"><span class="function"><a href="tanh.html" class="function" rel="rdfs-seeAlso">tanh()</a> - 双曲正切</span></li>
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</ul>
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</p>
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</div>
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</div></div></div></body></html> |