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diff --git a/help/en_US/scilab_en_US_help/fwht.html b/help/en_US/scilab_en_US_help/fwht.html new file mode 100644 index 0000000..5ca6554 --- /dev/null +++ b/help/en_US/scilab_en_US_help/fwht.html @@ -0,0 +1,84 @@ +<html><head> + <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> + <title>fwht</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="fwhmjlt.html"><< fwhmjlt</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="gauspuls.html">gauspuls >></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> > fwht</span> + + <br /><br /> + <div class="refnamediv"><h1 class="refname">fwht</h1> + <p class="refpurpose">Compute the Walsh-Hadamard transform of x using the Fast Walsh-Hadamard Transform (FWHT) algorithm</p></div> + + +<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3> + <div class="synopsis"><pre><span class="functionid">fwht</span><span class="default"> (</span><span class="default">x</span><span class="default">)</span> +<span class="functionid">fwht</span><span class="default"> (</span><span class="default">x</span><span class="default">, </span><span class="default">n</span><span class="default">)</span> +<span class="functionid">fwht</span><span class="default"> (</span><span class="default">x</span><span class="default">, </span><span class="default">n</span><span class="default">, </span><span class="default">order</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">real or complex valued scalar or vector</p></dd></dt> + <dt><span class="term">n:</span> + <dd><p class="para">x is truncated or extended to have length n</p></dd></dt> + <dt><span class="term">order:</span> + <dd><p class="para">Specification of order in which coefficients should be arranged</p></dd></dt></dl></div> + +<div class="refsection"><h3 class="title">Description</h3> + <p class="para">Compute the Walsh-Hadamard transform of x using the Fast Walsh-Hadamard Transform (FWHT) algorithm. If the input is a matrix, the FWHT is calculated along the columns of x.</p> + <p class="para">The number of elements of x must be a power of 2; if not, the input will be extended and filled with zeros. If a second argument is given, the input is truncated or extended to have length n.</p> + <p class="para">The third argument specifies the order in which the returned Walsh-Hadamard transform coefficients should be arranged. The order may be any of the following strings:</p> + <p class="para">"sequency" +The coefficients are returned in sequency order. This is the default if order is not given.</p> + <p class="para">"hadamard" +The coefficients are returned in Hadamard order.</p> + <p class="para">"dyadic" +The coefficients are returned in Gray code order.</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%"> + <span class="previous"><a href="fwhmjlt.html"><< fwhmjlt</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="gauspuls.html">gauspuls >></a></span> + + </td> + </tr></table> + <hr /> + </div> + </body> +</html> |