ss="line">    <span class="comment">! The solution is:</span></div>
<div class="line">    <span class="comment">!     |  1/3 |</span></div>
<div class="line">    <span class="comment">! x = | -2/3 |</span></div>
<div class="line">    <span class="comment">!     |   0  |</span></div>
<div class="line"> </div>
<div class="line">    <span class="comment">! Compute the QR factorization, using pivoting</span></div>
<div class="line">    pvt = 0     <span class="comment">! Zero every entry in order not to lock an