57 lines
3.1 KiB
HTML
57 lines
3.1 KiB
HTML
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<title>std::chi_squared_distribution<RealType>::n</title>
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::chi_squared_distribution<RealType>::</span>n</h1>
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<div id="contentSub"><span class="subpages">< <a href="cpp.html">cpp</a>‎ | <a href="cpp-numeric.html">numeric</a>‎ | <a href="cpp-numeric-random.html">random</a>‎ | <a href="cpp-numeric-random-chi_squared_distribution.html">chi squared distribution</a></span></div>
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<div><span class="mw-geshi cpp source-cpp">RealType n<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span></span></div>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
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<p>返回构造对象所用的 <span class="texhtml" style="white-space: nowrap;">n</span> 参数。它指定分布的<a href="https://en.wikipedia.org/wiki/Degrees_of_freedom_(statistics)" class="extiw" title="enwiki:Degrees of freedom (statistics)">自由度</a>。默认值为 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="nu16">1.0</span></span></span> 。</p>
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<h3><span class="mw-headline" id=".E5.8F.82.E6.95.B0">参数</span></h3>
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<p>（无）</p>
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<h3><span class="mw-headline" id=".E8.BF.94.E5.9B.9E.E5.80.BC">返回值</span></h3>
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<p><span class="texhtml" style="white-space: nowrap;">n</span> 分布参数。</p>
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<h3><span class="mw-headline" id=".E5.8F.82.E9.98.85">参阅</span></h3>
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<div><a href="cpp-numeric-random-chi_squared_distribution-param.html"><span class="t-lines"><span>param</span></span></a></div>
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<div><span class="t-lines"><span><span class="t-mark-rev t-since-cxx11">(C++11)</span></span></span></div>
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<td>获取或设置随机参数对象<br />
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<span class="t-mark">(公开成员函数)</span></td>
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