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<title>idst1</title>
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@import url("scilab_code.css");
@import url("xml_code.css");
@import url("c_code.css");
@import url("style.css");
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<span class="path"><a href="index.html">FOSSEE Signal Processing Toolbox</a> >> <a href="section_cc2bc01c47967d47fcf3507a91d572ba.html">FOSSEE Signal Processing Toolbox</a> > idst1</span>
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<div class="refnamediv"><h1 class="refname">idst1</h1>
<p class="refpurpose">This function computes the inverse type I discrete sine transform.</p></div>
<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3>
<div class="synopsis"><pre><span class="default">Y</span><span class="default"> = </span><span class="default">idst</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">idst</span><span class="default">(</span><span class="default">X</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">X:</span>
<dd><p class="para">Matrix or integer</p></dd></dt>
<dt><span class="term">N:</span>
<dd><p class="para">If N is given, then X is padded or trimmed to length N before computing the transform.</p></dd></dt></dl></div>
<div class="refsection"><h3 class="title">Description</h3>
<p class="para">This function computes the inverse type I discrete sine transform of Y. If N is given, then Y is padded or trimmed to length N before computing the transform. If Y is a matrix, compute the transform along the columns of the the matrix.</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"><a class="scilabmacro" href="scilab://idst">idst</a><span class="scilabopenclose">(</span><span class="scilabopenclose">[</span><span class="scilabnumber">1</span><span class="scilabdefault">,</span><span class="scilabnumber">3</span><span class="scilabdefault">,</span><span class="scilabnumber">6</span><span class="scilabopenclose">]</span><span class="scilabopenclose">)</span>
<span class="scilabid">ans</span> <span class="scilaboperator">=</span>
<span class="scilabnumber">3.97487</span> <span class="scilaboperator">-</span><span class="scilabnumber">2.50000</span> <span class="scilabnumber">0.97487</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>
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