0):</div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;00057         Level\_floor[storey\_i,0]=(</div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;00058         Level\_floor[storey\_i,0]+Level\_floor[storey\_i-1,0])</div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;00059 </div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;00060 #calcutaing stiffness matrix from stiffness of s