<p>The time step between observer calls, _not_ necessarily the time step of the integration. </p></td>
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<td><p><span class="term"><code class="computeroutput">end_time</code></span></p></td>
<td><p>The final integration time tend. </p></td>
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<td><p><span class="term"><code class="computeroutput">observer</code></span></p></td>
<td><p>Function/Functor called at equidistant time intervals. </p></td>
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<td><p><span class="term"><code class="computeroutput">start_state</code></span>