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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> > wconv</span>
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<div class="refnamediv"><h1 class="refname">wconv</h1>
<p class="refpurpose">Performs 1D or 2D convolution.</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="functionid">wconv</span><span class="default"> (</span><span class="default">type</span><span class="default">, </span><span class="default">x</span><span class="default">, </span><span class="default">f</span><span class="default">)</span>
<span class="default">y</span><span class="default"> = </span><span class="functionid">wconv</span><span class="default"> (</span><span class="default">type</span><span class="default">, </span><span class="default">x</span><span class="default">, </span><span class="default">f</span><span class="default">, </span><span class="default">shape</span><span class="default">)</span></pre></div></div>
<div class="refsection"><h3 class="title">Parameters</h3>
<dl><dt><span class="term">type:</span>
<dd><p class="para">convolution type.</p></dd></dt>
<dt><span class="term">x:</span>
<dd><p class="para">Signal vector or matrix.</p></dd></dt>
<dt><span class="term">f:</span>
<dd><p class="para">FIR filter coefficients.</p></dd></dt>
<dt><span class="term">shape:</span>
<dd><p class="para">Shape.</p></dd></dt></dl></div>
<div class="refsection"><h3 class="title">Description</h3>
<p class="para">This is an Octave function.
It performs 1D or 2D convolution between the signal x and the filter coefficients f.</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="scilabid">b</span> <span class="scilaboperator">=</span> <span class="scilabopenclose">[</span><span class="scilabnumber">7</span> <span class="scilabnumber">8</span> <span class="scilabnumber">9</span> <span class="scilabnumber">10</span><span class="scilabopenclose">]</span>
<span class="scilabid">wconv</span><span class="scilabopenclose">(</span><span class="scilabnumber">1</span><span class="scilabdefault">,</span><span class="scilabid">a</span><span class="scilabdefault">,</span><span class="scilabid">b</span><span class="scilabopenclose">)</span>
<span class="scilabid">ans</span> <span class="scilaboperator">=</span>
<span class="scilabnumber">7</span> <span class="scilabnumber">22</span> <span class="scilabnumber">46</span> <span class="scilabnumber">80</span> <span class="scilabnumber">114</span> <span class="scilabnumber">106</span> <span class="scilabnumber">85</span> <span class="scilabnumber">50</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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