72 lines
4.3 KiB
HTML
72 lines
4.3 KiB
HTML
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<title>std::cauchy_distribution<RealType>::a, b</title>
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<body class="mediawiki ltr sitedir-ltr ns-0 ns-subject page-cpp_numeric_random_cauchy_distribution_params skin-cppreference2 action-view cpp-navbar">
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<h1 id="firstHeading" class="firstHeading"><span style="font-size:0.7em; line-height:130%">std::cauchy_distribution<RealType>::</span>a, b</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-cauchy_distribution.html">cauchy distribution</a></span></div>
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<div><span class="mw-geshi cpp source-cpp">RealType a<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span></span></div>
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<td>(1)</td>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
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<div><span class="mw-geshi cpp source-cpp">RealType b<span class="br0">(</span><span class="br0">)</span> <span class="kw4">const</span><span class="sy4">;</span></span></div>
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<td>(2)</td>
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<td><span class="t-mark-rev t-since-cxx11">(C++11 起)</span></td>
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<p>返回构造分布所用的分布参数。</p>
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<div class="t-li1"><span class="t-li">1)</span> 返回 <i>a</i> 参数。它指定峰的位置，又被称为位置参数。默认值为 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="nu16">0.0</span></span></span> 。</div>
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<div class="t-li1"><span class="t-li">2)</span> 返回 <i>b</i> 参数。它指定半最大位置半宽（ HWHM ），又被称为尺度参数，默认值为 <span class="t-c"><span class="mw-geshi cpp source-cpp"><span class="nu16">1.0</span></span></span> 。</div>
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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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<div class="t-li1"><span class="t-li">1)</span> <i>a</i> 参数的值。</div>
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<div class="t-li1"><span class="t-li">2)</span> <i>b</i> 参数的值。</div>
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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-cauchy_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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<h3><span class="mw-headline" id=".E5.A4.96.E9.83.A8.E9.93.BE.E6.8E.A5">外部链接</span></h3>
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<ul>
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<li><a rel="nofollow" class="external text" href="https://en.wikipedia.org/wiki/Scale_parameter">尺度参数</a>来自维基百科。</li>
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<li><a rel="nofollow" class="external text" href="https://en.wikipedia.org/wiki/Location_parameter">位置参数</a>来自维基百科。</li>
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