e'</span>,.1, <span class="keyword">...</span>
    <span class="string">'tag'</span>, tag <span class="keyword">...</span>
    );

<span class="comment">% number of fine-scale cells</span>
numberOfFinecells = 5000;

<span class="comment">% Plot grids</span>
doPlotGrid = true;

<span class="comment">% Plot transport</span>
doPlotSim = true;

<span class="comment">% Plot results</span>
doPlotRes = true;
</pre><h2>set up the solver<a name="3"></a></h2><pre class="codeinput"><span class="comment">% number of GM