 name="l00172"></a><span class="lineno">  172</span>&#160;00168 \textcolor{stringliteral}{  Modal\_participation\_factor(index\_k,1) = sum\_W\_Phi / sum\_W\_Phi2;}</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;00169 \textcolor{stringliteral}{  Modal\_mass(index\_k,1) = (sum\_W\_Phi^2) / (sum\_W\_Phi2);}</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;00170 \textcolor{stringliteral}{  sum\_modal\_mass = sum\_modal\_mass + Modal\_mass(i