<html lang="en"> <head> <title>Ordinary Differential Equations - Octave C++ Classes</title> <meta http-equiv="Content-Type" content="text/html"> <meta name="description" content="Octave C++ Classes"> <meta name="generator" content="makeinfo 4.13"> <link title="Top" rel="start" href="index.html#Top"> <link rel="prev" href="Quadrature.html#Quadrature" title="Quadrature"> <link rel="next" href="Differential-Algebraic-Equations.html#Differential-Algebraic-Equations" title="Differential Algebraic Equations"> <link href="http://www.gnu.org/software/texinfo/" rel="generator-home" title="Texinfo Homepage"> <meta http-equiv="Content-Style-Type" content="text/css"> <style type="text/css"><!-- pre.display { font-family:inherit } pre.format { font-family:inherit } pre.smalldisplay { font-family:inherit; font-size:smaller } pre.smallformat { font-family:inherit; font-size:smaller } pre.smallexample { font-size:smaller } pre.smalllisp { font-size:smaller } span.sc { font-variant:small-caps } span.roman { font-family:serif; font-weight:normal; } span.sansserif { font-family:sans-serif; font-weight:normal; } --></style> </head> <body> <div class="node"> <a name="Ordinary-Differential-Equations"></a> <p> Next: <a rel="next" accesskey="n" href="Differential-Algebraic-Equations.html#Differential-Algebraic-Equations">Differential Algebraic Equations</a>, Previous: <a rel="previous" accesskey="p" href="Quadrature.html#Quadrature">Quadrature</a>, Up: <a rel="up" accesskey="u" href="index.html#Top">Top</a> <hr> </div> <h2 class="chapter">11 Ordinary Differential Equations</h2> <p><a name="index-ODE-978"></a> <div class="defun"> — : <b>ODE_options</b> (<var>void</var>)<var><a name="index-ODE_005foptions-979"></a></var><br> — : <b>ODE_options</b> (<var>const ODE_options &opt</var>)<var><a name="index-ODE_005foptions-980"></a></var><br> </div> <div class="defun"> — : ODE_options& <b>operator =</b> (<var>const ODE_options &opt</var>)<var><a name="index-operator-_003d-981"></a></var><br> </div> <div class="defun"> — : void <b>init</b> (<var>void</var>)<var><a name="index-init-982"></a></var><br> </div> <div class="defun"> — : void <b>copy</b> (<var>const ODE_options &opt</var>)<var><a name="index-copy-983"></a></var><br> </div> <div class="defun"> — : void <b>set_default_options</b> (<var>void</var>)<var><a name="index-set_005fdefault_005foptions-984"></a></var><br> </div> <div class="defun"> — : void <b>set_absolute_tolerance</b> (<var>double val</var>)<var><a name="index-set_005fabsolute_005ftolerance-985"></a></var><br> </div> <div class="defun"> — : void <b>set_initial_step_size</b> (<var>double val</var>)<var><a name="index-set_005finitial_005fstep_005fsize-986"></a></var><br> </div> <div class="defun"> — : void <b>set_maximum_step_size</b> (<var>double val</var>)<var><a name="index-set_005fmaximum_005fstep_005fsize-987"></a></var><br> </div> <div class="defun"> — : void <b>set_minimum_step_size</b> (<var>double val</var>)<var><a name="index-set_005fminimum_005fstep_005fsize-988"></a></var><br> </div> <div class="defun"> — : void <b>set_relative_tolerance</b> (<var>double val</var>)<var><a name="index-set_005frelative_005ftolerance-989"></a></var><br> </div> <div class="defun"> — : double <b>absolute_tolerance</b> (<var>void</var>)<var><a name="index-absolute_005ftolerance-990"></a></var><br> — : double <b>initial_step_size</b> (<var>void</var>)<var><a name="index-initial_005fstep_005fsize-991"></a></var><br> — : double <b>maximum_step_size</b> (<var>void</var>)<var><a name="index-maximum_005fstep_005fsize-992"></a></var><br> — : double <b>minimum_step_size</b> (<var>void</var>)<var><a name="index-minimum_005fstep_005fsize-993"></a></var><br> — : double <b>relative_tolerance</b> (<var>void</var>)<var><a name="index-relative_005ftolerance-994"></a></var><br> </div> <div class="defun"> — : <b>ODE</b> (<var>void</var>)<var><a name="index-ODE-995"></a></var><br> — : <b>ODE</b> (<var>int n</var>)<var><a name="index-ODE-996"></a></var><br> — : <b>ODE</b> (<var>const ColumnVector &state, double time, const ODEFunc &f</var>)<var><a name="index-ODE-997"></a></var><br> </div> <div class="defun"> — : virtual int <b>size</b> (<var>void</var>)<var> const<a name="index-size-998"></a></var><br> </div> <div class="defun"> — : virtual ColumnVector <b>state</b> (<var>void</var>)<var> const<a name="index-state-999"></a></var><br> </div> <div class="defun"> — : virtual double <b>time</b> (<var>void</var>)<var> const<a name="index-time-1000"></a></var><br> </div> <div class="defun"> — : virtual void <b>force_restart</b> (<var>void</var>)<var><a name="index-force_005frestart-1001"></a></var><br> </div> <div class="defun"> — : virtual void <b>initialize</b> (<var>const ColumnVector &x, double t</var>)<var><a name="index-initialize-1002"></a></var><br> </div> <div class="defun"> — : virtual void <b>set_stop_time</b> (<var>double t</var>)<var><a name="index-set_005fstop_005ftime-1003"></a></var><br> </div> <div class="defun"> — : virtual void <b>clear_stop_time</b> (<var>void</var>)<var><a name="index-clear_005fstop_005ftime-1004"></a></var><br> </div> <div class="defun"> — : virtual ColumnVector <b>integrate</b> (<var>double t</var>)<var><a name="index-integrate-1005"></a></var><br> </div> <div class="defun"> — : void <b>integrate</b> (<var>int nsteps, double tstep, ostream &s</var>)<var><a name="index-integrate-1006"></a></var><br> </div> <div class="defun"> — : Matrix <b>integrate</b> (<var>const ColumnVector &tout</var>)<var><a name="index-integrate-1007"></a></var><br> — : Matrix <b>integrate</b> (<var>const ColumnVector &tout, const ColumnVector &tcrit</var>)<var><a name="index-integrate-1008"></a></var><br> </div> <!-- Copyright (C) 1996-2012 John W. 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