 of equations that governs the model. This can be done using the <code><a href="reference/add_equation.html">add_equation()</a></code> function by providing the equations in text form. The model will then include a <code>$equations</code> tibble.</p>
<p>Equations must adhere to the following rules:</p>
<ol style="list-style-type: decimal">
<li>The following characters are <strong>not allowed</strong>: <code>¬ß</code>, <code>¬£</code>, <code>@</code>, <code>#</code>, <code>$</code>, <code>{</code>, <code