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<span class="path"><a href="index.html">FOSSEE Signal Processing Toolbox</a> >> <a href="section_5118e822ecc2888aa80042108de4932e.html">FOSSEE Signal Processing Toolbox</a> > sos2tf</span>
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<div class="refnamediv"><h1 class="refname">sos2tf</h1>
<p class="refpurpose">This function converts series second-order sections to direct H(z) = B(z)/A(z) form.</p></div>
<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3>
<div class="synopsis"><pre><span class="default">[</span><span class="default">B</span><span class="default">] = </span><span class="functionid">sos2tf</span><span class="default">(</span><span class="default">sos</span><span class="default">)</span>
<span class="default">[</span><span class="default">B</span><span class="default">] = </span><span class="functionid">sos2tf</span><span class="default">(</span><span class="default">sos</span><span class="default">, </span><span class="default">g</span><span class="default">)</span>
<span class="default">[</span><span class="default">B</span><span class="default">,</span><span class="default">A</span><span class="default">] = </span><span class="functionid">sos2tf</span><span class="default">(...)</span></pre></div></div>
<div class="refsection"><h3 class="title">Parameters</h3>
<dl><dt><span class="term">sos:</span>
<dd><p class="para">matrix of real or complex numbers</p></dd></dt>
<dt><span class="term">g:</span>
<dd><p class="para">real or complex value, default value is 1</p></dd></dt></dl></div>
<div class="refsection"><h3 class="title">Description</h3>
<p class="para">This is an Octave function.
This function converts series second-order sections to direct H(z) = B(z)/A(z) form.
The input is the sos matrix and the second parameter is the overall gain, default value of which is 1.
The output is a vector.</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="scilabopenclose">[</span><span class="scilabid">a</span><span class="scilabdefault">,</span><span class="scilabid">b</span><span class="scilabopenclose">]</span><span class="scilaboperator">=</span><span class="scilabid">sos2tf</span><span class="scilabopenclose">(</span><span class="scilabopenclose">[</span><span class="scilabnumber">1</span><span class="scilabdefault">,</span><span class="scilabnumber">2</span><span class="scilabdefault">,</span><span class="scilabnumber">3</span><span class="scilabdefault">,</span><span class="scilabnumber">4</span><span class="scilabdefault">,</span><span class="scilabnumber">5</span><span class="scilabdefault">,</span><span class="scilabnumber">6</span><span class="scilabopenclose">]</span><span class="scilabopenclose">)</span>
<span class="scilabid">a</span> <span class="scilaboperator">=</span>
<span class="scilabnumber">1</span> <span class="scilabnumber">2</span> <span class="scilabnumber">3</span>
<span class="scilabid">b</span> <span class="scilaboperator">=</span>
<span class="scilabnumber">4</span> <span class="scilabnumber">5</span> <span class="scilabnumber">6</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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