>},<span class="string">'Location'</span>,<span class="string">'SouthEast'</span>)
    xlabel(<span class="string">'PVI'</span>)
    ylabel(<span class="string">'Concentration'</span>)

    <span class="comment">% compare the gmres residuals</span>
    figure
    <span class="keyword">for</span> i = 1:2
        semilogy(0:caseData.msSol{i}.iter,caseData.msSol{i}.residuals(1:caseData.msSol{i}.iter+1))
        hold <span class="string">all</span>
    <span class="keyword">end</span>
    legend({<span class="s