[3]=12.0;     b[4][4]=3.0;</SPAN>
    <SPAN LANG="en-US">for (k=1; k&lt;=4; k++)</SPAN>
      <SPAN LANG="en-US">for (l=1; l&lt;=4; l++)  x[k][l] = (k == l) ? 1.0 : 0.0;</SPAN>
    <SPAN LANG="en-US">em[0]=1.0e-35;</SPAN>
    <SPAN LANG="en-US">em[1]=1.0e-6;</SPAN>
    <SPAN LANG="en-US">Linear_algebra.qzi(4,a,b,x,alfr,alfi,beta,iter,em);</SPAN>
    <SPAN LANG="en-US">DecimalFormat fiveDigit = new DecimalFormat(&quot;0.00000E0&quot;);</SPAN>
    <SPAN LANG="en-US">for (k=1; k&lt;=4; k++)</SPAN>
      <SPAN 