he node file would be:
      <pre>
         0.0  0.0
         1.0  0.0
         2.0  0.0
         3.0  0.0
         4.0  0.0
         0.0  1.0
         1.0  1.0
         2.0  1.0
         3.0  1.0
         0.0  2.0
         1.0  2.0
         2.0  2.0
      </pre>
      and the element file would be
      <pre>
         1  3 10  2  7  6
         3  5 12  4  9  8
        12 10  3 11  7  8
      </pre>
    </p>

    <p>
      The program is set up to handle the time dependent heat
      equation with a right h