eta</a>(<span class="keywordtype">double</span> betta){this-&gt;<a class="code hl_variable" href="classQuad.html#adcc80e7a121e149c75224c29a9fc44dd">beta_</a>=betta; }</div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span> </div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span>  <span class="keywordtype">void</span> <a class="code hl_function" href="classQuad.html#abfff2e26dbd7244c4a624b8c1a92de86">SetDomain</a>(<a class="code hl_class" 