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+<html><head>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
+ <title>xcov1</title>
+ <style type="text/css" media="all">
+ @import url("scilab_code.css");
+ @import url("xml_code.css");
+ @import url("c_code.css");
+ @import url("style.css");
+ </style>
+ </head>
+ <body>
+ <div class="manualnavbar">
+ <table width="100%"><tr>
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+ <span class="path"><a href="index.html">FOSSEE Signal Processing Toolbox</a> &gt;&gt; <a href="section_cc2bc01c47967d47fcf3507a91d572ba.html">FOSSEE Signal Processing Toolbox</a> &gt; xcov1</span>
+
+ <br /><br />
+ <div class="refnamediv"><h1 class="refname">xcov1</h1>
+ <p class="refpurpose">Compute covariance at various lags [=correlation(x-mean(x),y-mean(y))].</p></div>
+
+
+<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3>
+ <div class="synopsis"><pre><span class="default">[</span><span class="default">R</span><span class="default">, </span><span class="default">lag</span><span class="default">] = </span><span class="default">xcov</span><span class="default"> (</span><span class="default">X</span><span class="default">)</span>
+<span class="default">... = </span><span class="default">xcov</span><span class="default"> (</span><span class="default">X</span><span class="default">, </span><span class="default">Y</span><span class="default">)</span>
+<span class="default">... = </span><span class="default">xcov</span><span class="default"> (..., </span><span class="default">maxlag</span><span class="default">)</span>
+<span class="default">... = </span><span class="default">xcov</span><span class="default"> (..., </span><span class="default">scale</span><span class="default">)</span></pre></div></div>
+
+<div class="refsection"><h3 class="title">Parameters</h3>
+ <dl><dt><span class="term">X:</span>
+ <dd><p class="para">Input vector</p></dd></dt>
+ <dt><span class="term">Y:</span>
+ <dd><p class="para">if specified, compute cross-covariance between X and Y, otherwise compute autocovariance of X.</p></dd></dt>
+ <dt><span class="term">maxlag:</span>
+ <dd><p class="para">is specified, use lag range [-maxlag:maxlag], otherwise use range [-n+1:n-1].</p></dd></dt>
+ <dt><span class="term">scale:</span>
+ <dd><p class="para"></p></dd></dt>
+ <dt><span class="term">&#0039;biased&#0039;:</span>
+ <dd><p class="para">for covariance=raw/N,</p></dd></dt>
+ <dt><span class="term">&#0039;unbiased&#0039;:</span>
+ <dd><p class="para">for covariance=raw/(N-|lag|),</p></dd></dt>
+ <dt><span class="term">&#0039;coeff&#0039;:</span>
+ <dd><p class="para">for covariance=raw/(covariance at lag 0),</p></dd></dt>
+ <dt><span class="term">&#0039;none&#0039;:</span>
+ <dd><p class="para">for covariance=raw</p></dd></dt>
+ <dt><span class="term">&#0039;none&#0039;:</span>
+ <dd><p class="para">is the default.</p></dd></dt></dl></div>
+
+<div class="refsection"><h3 class="title">Description</h3>
+ <p class="para">Compute covariance at various lags [=correlation(x-mean(x),y-mean(y))]. Returns the covariance for each lag in the range, plus an optional vector of lags.</p></div>
+ <br />
+
+ <div class="manualnavbar">
+ <table width="100%">
+ <tr><td colspan="3" class="next"><a href="http://bugzilla.scilab.org/enter_bug.cgi?product=Scilab%20software&component=Documentation%20pages" class="ulink">Report an issue</a></td></tr>
+<tr>
+ <td width="30%">
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+ <td width="40%" class="center">
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+
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