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diff --git a/help/en_US/scilab_en_US_help/dctmtx.html b/help/en_US/scilab_en_US_help/dctmtx.html new file mode 100644 index 0000000..fcf1c99 --- /dev/null +++ b/help/en_US/scilab_en_US_help/dctmtx.html @@ -0,0 +1,79 @@ +<html><head> + <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> + <title>dctmtx</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="db2pow.html"><< db2pow</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="decimate.html">decimate >></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> > dctmtx</span> + + <br /><br /> + <div class="refnamediv"><h1 class="refname">dctmtx</h1> + <p class="refpurpose"></p></div> + + +<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3> + <div class="synopsis"><pre><span class="default">[</span><span class="default">y</span><span class="default">]=</span><span class="functionid">dctmtx</span><span class="default">(</span><span class="default">n</span><span class="default">)</span></pre></div></div> + +<div class="refsection"><h3 class="title">Parameters</h3> + <dl><dt><span class="term">n:</span> + <dd><p class="para">Real scalar integer greater than or equal to 1</p></dd></dt></dl></div> + +<div class="refsection"><h3 class="title">Description</h3> + <p class="para">This is an Octave function +dctmtx(n) returns a Discrete cosine transform matrix of order n-by-n. It is useful for jpeg image compression. D*A is the DCT of the columns of A and D'*A is the inverse DCT of the columns of A (when A is n-by-n).</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="scilabnumber">1.</span> <span class="scilabid">dctmtx</span><span class="scilabopenclose">(</span><span class="scilabnumber">2</span><span class="scilabopenclose">)</span> +<span class="scilabid">ans</span> <span class="scilaboperator">=</span> <span class="scilabopenclose">[</span><span class="scilabnumber">0.70711</span> <span class="scilabnumber">0.70711</span><span class="scilabdefault">;</span> <span class="scilabnumber">0.70711</span> <span class="scilaboperator">-</span><span class="scilabnumber">0.70711</span><span class="scilabopenclose">]</span> +<span class="scilabnumber">2.</span> <span class="scilabid">dctmtx</span><span class="scilabopenclose">(</span><span class="scilabnumber">3</span><span class="scilabopenclose">)</span> +<span class="scilabid">ans</span> <span class="scilaboperator">=</span> <span class="scilabopenclose">[</span><span class="scilabnumber">5.7735e-01</span> <span class="scilabnumber">5.7735e-01</span> <span class="scilabnumber">5.7735e-01</span><span class="scilabdefault">;</span> +<span class="scilabnumber">7.0711e-01</span> <span class="scilabnumber">4.9996e-17</span> <span class="scilaboperator">-</span><span class="scilabnumber">7.0711e-01</span><span class="scilabdefault">;</span> +<span class="scilabnumber">4.0825e-01</span> <span class="scilaboperator">-</span><span class="scilabnumber">8.1650e-01</span> <span class="scilabnumber">4.0825e-01</span><span class="scilabopenclose">]</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="db2pow.html"><< db2pow</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="decimate.html">decimate >></a></span> + + </td> + </tr></table> + <hr /> + </div> + </body> +</html> |