="font-size: 11pt"><SPAN LANG="en-US">a[5][2]=c[5][2]=2.0;</SPAN></FONT>
    <FONT SIZE=2 STYLE="font-size: 11pt"><SPAN LANG="en-US">Linear_algebra.lsqortdec(a,5,2,aux,aid,piv);</SPAN></FONT>
    <FONT SIZE=2 STYLE="font-size: 11pt"><SPAN LANG="en-US">if (aux[3] == 2) {</SPAN></FONT>
      <FONT SIZE=2 STYLE="font-size: 11pt"><SPAN LANG="en-US">Linear_algebra.lsqinv(a,2,aid,piv);</SPAN></FONT>
      <FONT SIZE=2 STYLE="font-size: 11pt"><SPAN LANG="en-US">t[1][1]=a[1][1];</SPAN></FONT>
      <FONT SIZE=2 STY