.html">
      POLYGONAL_SURFACE_DISPLAY</a>,
      a MATLAB program which
      reads two files defining a polygonal surface and displays it
      within MATLAB.
    </p>

    <p>
      <a href = "../../m_src/quad_mesh/quad_mesh.html">
      QUAD_MESH</a>,
      a MATLAB library which
      handles meshes of quadrilaterals over a 2D region;
    </p>

    <p>
      <a href = "../../data/quad_mesh_order1/quad_mesh_order1.html">
      QUAD_MESH_ORDER1</a>,
      a data directory which
      defines a format fo