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diff --git a/help/en_US/scilab_en_US_help/arma_rnd.html b/help/en_US/scilab_en_US_help/arma_rnd.html new file mode 100644 index 0000000..e5e9eb7 --- /dev/null +++ b/help/en_US/scilab_en_US_help/arma_rnd.html @@ -0,0 +1,99 @@ +<html><head> + <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> + <title>arma_rnd</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> + <td width="30%"> + <span class="previous"><a href="arcov.html"><< arcov</a></span> + + </td> + <td width="40%" class="center"> + <span class="top"><a href="section_cc2bc01c47967d47fcf3507a91d572ba.html">FOSSEE Signal Processing Toolbox</a></span> + + </td> + <td width="30%" class="next"> + <span class="next"><a href="armcov.html">armcov >></a></span> + + </td> + </tr></table> + <hr /> + </div> + + + + <span class="path"><a href="index.html">FOSSEE Signal Processing Toolbox</a> >> <a href="section_cc2bc01c47967d47fcf3507a91d572ba.html">FOSSEE Signal Processing Toolbox</a> > arma_rnd</span> + + <br /><br /> + <div class="refnamediv"><h1 class="refname">arma_rnd</h1> + <p class="refpurpose">Return a simulation of the ARMA model.</p></div> + + +<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3> + <div class="synopsis"><pre><span class="functionid">arma_rnd</span><span class="default"> (</span><span class="default">a</span><span class="default">, </span><span class="default">b</span><span class="default">, </span><span class="default">v</span><span class="default">, </span><span class="default">t</span><span class="default">, </span><span class="default">n</span><span class="default">)</span> +<span class="functionid">arma_rnd</span><span class="default"> (</span><span class="default">a</span><span class="default">, </span><span class="default">b</span><span class="default">, </span><span class="default">v</span><span class="default">, </span><span class="default">t</span><span class="default">)</span></pre></div></div> + +<div class="refsection"><h3 class="title">Parameters</h3> + <dl><dt><span class="term">a:</span> + <dd><p class="para">vector</p></dd></dt> + <dt><span class="term">b:</span> + <dd><p class="para">vector</p></dd></dt> + <dt><span class="term">v:</span> + <dd><p class="para">Variance</p></dd></dt> + <dt><span class="term">t:</span> + <dd><p class="para">Length of output vector</p></dd></dt> + <dt><span class="term">n:</span> + <dd><p class="para">Number of dummy x(i) used for initialization</p></dd></dt></dl></div> + +<div class="refsection"><h3 class="title">Description</h3> + <p class="para">This is an Octave function. +The ARMA model is defined by</p> + <p class="para">x(n) = a(1) * x(n-1) + … + a(k) * x(n-k) ++ e(n) + b(1) * e(n-1) + … + b(l) * e(n-l) +in which k is the length of vector a, l is the length of vector b and e is Gaussian white noise with variance v. The function returns a vector of length t.</p> + <p class="para">The optional parameter n gives the number of dummy x(i) used for initialization, i.e., a sequence of length t+n is generated and x(n+1:t+n) is returned. If n is omitted, n = 100 is used.</p></div> + +<div class="refsection"><h3 class="title">Examples</h3> + <div class="programlisting"><table border="0" width="100%"><tr><td width="98%"><pre class="scilabcode"><span class="scilabid">a</span> <span class="scilaboperator">=</span> <span class="scilabopenclose">[</span><span class="scilabnumber">1</span> <span class="scilabnumber">2</span> <span class="scilabnumber">3</span> <span class="scilabnumber">4</span> <span class="scilabnumber">5</span><span class="scilabopenclose">]</span><span class="scilabdefault">;</span> +<span class="scilabid">b</span> <span class="scilaboperator">=</span> <span class="scilabopenclose">[</span><span class="scilabnumber">7</span><span class="scilabdefault">;</span> <span class="scilabnumber">8</span><span class="scilabdefault">;</span> <span class="scilabnumber">9</span><span class="scilabdefault">;</span> <span class="scilabnumber">10</span><span class="scilabdefault">;</span> <span class="scilabnumber">11</span><span class="scilabopenclose">]</span><span class="scilabdefault">;</span> +<span class="scilabid">v</span> <span class="scilaboperator">=</span> <span class="scilabnumber">10</span><span class="scilabdefault">;</span> +<span class="scilabid">t</span> <span class="scilaboperator">=</span> <span class="scilabnumber">5</span><span class="scilabdefault">;</span> +<span class="scilabid">n</span> <span class="scilaboperator">=</span> <span class="scilabnumber">100</span><span class="scilabdefault">;</span> +<span class="scilabid">arma_rnd</span> <span class="scilabopenclose">(</span><span class="scilabid">a</span><span class="scilabdefault">,</span> <span class="scilabid">b</span><span class="scilabdefault">,</span> <span class="scilabid">v</span><span class="scilabdefault">,</span> <span class="scilabid">t</span><span class="scilabdefault">,</span> <span class="scilabid">n</span><span class="scilabopenclose">)</span> +<span class="scilabid">ans</span> <span class="scilaboperator">=</span> + +<span class="scilaboperator">-</span><span class="scilabnumber">1.6176e+05</span> +<span class="scilaboperator">-</span><span class="scilabnumber">4.1663e+05</span> +<span class="scilaboperator">-</span><span class="scilabnumber">1.0732e+06</span> +<span class="scilaboperator">-</span><span class="scilabnumber">2.7648e+06</span> +<span class="scilaboperator">-</span><span class="scilabnumber">7.1221e+06</span></pre></td><td valign="top"><a href="scilab://scilab.execexample/"><img src="ScilabExecute.png" border="0"/></a></td><td valign="top"><a href="scilab://scilab.editexample/"><img src="ScilabEdit.png" border="0"/></a></td><td></td></tr></table></div></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%"> + <span class="previous"><a href="arcov.html"><< arcov</a></span> + + </td> + <td width="40%" class="center"> + <span class="top"><a href="section_cc2bc01c47967d47fcf3507a91d572ba.html">FOSSEE Signal Processing Toolbox</a></span> + + </td> + <td width="30%" class="next"> + <span class="next"><a href="armcov.html">armcov >></a></span> + + </td> + </tr></table> + <hr /> + </div> + </body> +</html> |