t is the long-term behavior of the
    system, then there are a number of techniques we can apply.  In this
    chapter, we will start by investigating graphical solution methods. These
    methods are described beautifully in a book by Steve
    Strogatz<elib>Strogatz94</elib>.</p>

    <subsection><h1>The overdamped pendulum</h1>

      <p> Let's start by studying a special case -- intuitively when
      $b\dot\theta \gg ml^2\ddot\theta$ -- which via <a
      href="https://en.wikipedia.org/wiki/Dimensionl