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<div class="refnamediv"><h1 class="refname">sym_getNumVar</h1>
<p class="refpurpose">To get the number of the variables of the current problem.</p></div>
<div class="refsynopsisdiv"><h3 class="title">Calling Sequence</h3>
<div class="synopsis"><pre><span class="functionid">sym_getNumVar</span><span class="default">()</span></pre></div></div>
<div class="refsection"><h3 class="title">Description</h3>
<p class="para">This routine is used to get the number of the variables of the current problem.</p></div>
<div class="refsection"><h3 class="title">Arguments</h3>
<p class="para">This function takes no arguments</p></div>
<div class="refsection"><h3 class="title">Return value</h3>
<p class="para">If there was an error it prints error message to Scilab console and returns -1, else it returns a number ( >=0 ) as number of variables.</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">ans</span><span class="scilaboperator">=</span><span class="scilabid">sym_getNumVar</span><span class="scilabopenclose">(</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>
<div class="refsection"><h3 class="title">Authors</h3>
<ul class="itemizedlist"><li class="member">Sai Kiran Naragam</li></ul></div>
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