Imported Upstream version 1.72.0
[platform/upstream/boost.git] / libs / math / doc / html / math_toolkit / dist_ref / dists / poisson_dist.html
index fdf09da..e0a7e28 100644 (file)
@@ -4,7 +4,7 @@
 <title>Poisson Distribution</title>
 <link rel="stylesheet" href="../../../math.css" type="text/css">
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+<link rel="home" href="../../../index.html" title="Math Toolkit 2.11.0">
 <link rel="up" href="../dists.html" title="Distributions">
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 <pre class="programlisting"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span> <span class="keyword">namespace</span> <span class="identifier">math</span> <span class="special">{</span>
 
 <span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">RealType</span> <span class="special">=</span> <span class="keyword">double</span><span class="special">,</span>
-          <span class="keyword">class</span> <a class="link" href="../../../policy.html" title="Chapter&#160;19.&#160;Policies: Controlling Precision, Error Handling etc">Policy</a>   <span class="special">=</span> <a class="link" href="../../pol_ref/pol_ref_ref.html" title="Policy Class Reference">policies::policy&lt;&gt;</a> <span class="special">&gt;</span>
+          <span class="keyword">class</span> <a class="link" href="../../../policy.html" title="Chapter&#160;20.&#160;Policies: Controlling Precision, Error Handling etc">Policy</a>   <span class="special">=</span> <a class="link" href="../../pol_ref/pol_ref_ref.html" title="Policy Class Reference">policies::policy&lt;&gt;</a> <span class="special">&gt;</span>
 <span class="keyword">class</span> <span class="identifier">poisson_distribution</span><span class="special">;</span>
 
 <span class="keyword">typedef</span> <span class="identifier">poisson_distribution</span><span class="special">&lt;&gt;</span> <span class="identifier">poisson</span><span class="special">;</span>
 
-<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">RealType</span><span class="special">,</span> <span class="keyword">class</span> <a class="link" href="../../../policy.html" title="Chapter&#160;19.&#160;Policies: Controlling Precision, Error Handling etc">Policy</a><span class="special">&gt;</span>
+<span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">RealType</span><span class="special">,</span> <span class="keyword">class</span> <a class="link" href="../../../policy.html" title="Chapter&#160;20.&#160;Policies: Controlling Precision, Error Handling etc">Policy</a><span class="special">&gt;</span>
 <span class="keyword">class</span> <span class="identifier">poisson_distribution</span>
 <span class="special">{</span>
 <span class="keyword">public</span><span class="special">:</span>
           distribution</a> is a well-known statistical discrete distribution.
           It expresses the probability of a number of events (or failures, arrivals,
           occurrences ...) occurring in a fixed period of time, provided these events
-          occur with a known mean rate &#955; &#160;
+          occur with a known mean rate &#955;
 (events/time), and are independent of the
           time since the last event.
         </p>
 <p>
-          The distribution was discovered by Sim&#233; on-Denis Poisson (1781 to 1840).
+          The distribution was discovered by Sim&#233;on-Denis Poisson (1781 to 1840).
         </p>
 <p>
           It has the Probability Mass Function:
         </p>
-<p>
-          <span class="inlinemediaobject"><img src="../../../../equations/poisson_ref1.svg"></span>
-        </p>
+<div class="blockquote"><blockquote class="blockquote"><p>
+            <span class="inlinemediaobject"><img src="../../../../equations/poisson_ref1.svg"></span>
+
+          </p></blockquote></div>
 <p>
           for k events, with an expected number of events &#955;.
         </p>
 <p>
           The following graph illustrates how the PDF varies with the parameter &#955;:
         </p>
-<p>
-          <span class="inlinemediaobject"><img src="../../../../graphs/poisson_pdf_1.svg" align="middle"></span>
-        </p>
+<div class="blockquote"><blockquote class="blockquote"><p>
+            <span class="inlinemediaobject"><img src="../../../../graphs/poisson_pdf_1.svg" align="middle"></span>
+
+          </p></blockquote></div>
 <div class="caution"><table border="0" summary="Caution">
 <tr>
 <td rowspan="2" align="center" valign="top" width="25"><img alt="[Caution]" src="../../../../../../../doc/src/images/caution.png"></td>
           <span class="phrase"><a name="math_toolkit.dist_ref.dists.poisson_dist.implementation"></a></span><a class="link" href="poisson_dist.html#math_toolkit.dist_ref.dists.poisson_dist.implementation">Implementation</a>
         </h5>
 <p>
-          In the following table &#955; &#160; is the mean of the distribution, <span class="emphasis"><em>k</em></span>
+          In the following table &#955; is the mean of the distribution, <span class="emphasis"><em>k</em></span>
           is the random variable, <span class="emphasis"><em>p</em></span> is the probability and
           <span class="emphasis"><em>q = 1-p</em></span>.
         </p>