<li>Handling a simple structured grid</li>
  <li>Using the ODE integrator</li>
  <li>Using call-back functions</li>
</ul>

<p>FURTHER DETAILS:</p>
<ul>
  <li><a href="https://www.mcs.anl.gov/petsc/petsc-current/src/ts/tutorials/ex2.c.html#line13">Mathematical description of the problem</a></li>
  <li><a href="https://www.mcs.anl.gov/petsc/petsc-current/src/ts/tutorials/ex2.c.html#line36">the source code</a></li>
</ul>

<p>DO THE FOLLOWING:</p>
<ul>
  <li> Compile src/ts/tutorials/ex2.c
    <pre>
      cd pe