en draw
      bifurcation diagrams which plot the fixed points of the system as a
      function of the parameters, with solid lines indicating stable fixed
      points and dashed lines indicating unstable fixed points, as seen in the
      figure:</p>

      <figure> <todo>bifurcation diagram asymptotes to $x^* = 1$</todo> <img
      width="80%" src="figures/pend_autapse_bifurcation.svg"/>
      <figcaption>Bifurcation diagram of the nonlinear autapse.</figcaption>
      </figure>

      <p> Our pendulum 