a name="l00057"></a><span class="lineno">   57</span>&#160;00053 Level\_floor=zero\_matrix(QQ,Number\_of\_storeys,1)</div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;00054 for storey\_i in range(Number\_of\_storeys):</div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;00055     Level\_floor[storey\_i,0] = Height\_storey[storey\_i,0]</div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;00056     if(storey\_i&gt;