>
<span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="identifier">res</span> <span class="special">&lt;&lt;</span> <span class="identifier">endl</span><span class="special">;</span>
</pre>
<p>
        </p>
<p>
          In this example all x-values of the solution are accumulated. Note, how
          dereferencing the iterator gives the current state <code class="computeroutput"><span class="identifier">x</span></code>
          of the ODE (the second argument of the accu