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<h2 class="chapter">8 Nonlinear Equations</h2>
<p><a name="index-nonlinear-equations-799"></a>
<div class="defun">
— : <b>NLEqn_options</b> (<var>void</var>)<var><a name="index-NLEqn_005foptions-800"></a></var><br>
— : <b>NLEqn_options</b> (<var>const NLEqn_options &opt</var>)<var><a name="index-NLEqn_005foptions-801"></a></var><br>
</div>
<div class="defun">
— : NLEqn_options& <b>operator =</b> (<var>const NLEqn_options &opt</var>)<var><a name="index-operator-_003d-802"></a></var><br>
</div>
<div class="defun">
— : void <b>init</b> (<var>void</var>)<var><a name="index-init-803"></a></var><br>
</div>
<div class="defun">
— : void <b>copy</b> (<var>const NLEqn_options &opt</var>)<var><a name="index-copy-804"></a></var><br>
</div>
<div class="defun">
— : void <b>set_default_options</b> (<var>void</var>)<var><a name="index-set_005fdefault_005foptions-805"></a></var><br>
</div>
<div class="defun">
— : void <b>set_tolerance</b> (<var>double val</var>)<var><a name="index-set_005ftolerance-806"></a></var><br>
</div>
<div class="defun">
— : double <b>tolerance</b> (<var>void</var>)<var><a name="index-tolerance-807"></a></var><br>
</div>
<div class="defun">
— : <b>NLEqn</b> (<var>void</var>)<var><a name="index-NLEqn-808"></a></var><br>
— : <b>NLEqn</b> (<var>const ColumnVector&, const NLFunc</var>)<var><a name="index-NLEqn-809"></a></var><br>
— : <b>NLEqn</b> (<var>const NLEqn &a</var>)<var><a name="index-NLEqn-810"></a></var><br>
</div>
<div class="defun">
— : NLEqn& <b>operator =</b> (<var>const NLEqn &a</var>)<var><a name="index-operator-_003d-811"></a></var><br>
</div>
<div class="defun">
— : void <b>resize</b> (<var>int n</var>)<var><a name="index-resize-812"></a></var><br>
</div>
<div class="defun">
— : void <b>set_states</b> (<var>const ColumnVector &x</var>)<var><a name="index-set_005fstates-813"></a></var><br>
</div>
<div class="defun">
— : ColumnVector <b>states</b> (<var>void</var>)<var> const<a name="index-states-814"></a></var><br>
</div>
<div class="defun">
— : int <b>size</b> (<var>void</var>)<var> const<a name="index-size-815"></a></var><br>
</div>
<div class="defun">
— : ColumnVector <b>solve</b> (<var>void</var>)<var><a name="index-solve-816"></a></var><br>
— : ColumnVector <b>solve</b> (<var>const ColumnVector &x</var>)<var><a name="index-solve-817"></a></var><br>
</div>
<div class="defun">
— : ColumnVector <b>solve</b> (<var>int &info</var>)<var><a name="index-solve-818"></a></var><br>
— : ColumnVector <b>solve</b> (<var>const ColumnVector &x, int &info</var>)<var><a name="index-solve-819"></a></var><br>
</div>
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