F07BTF Example Program Data
  4  1  2                                                :Values of N, KL and KU
 (-1.65, 2.26) (-2.05D-10,-8.50D-11) ( 9.70D-01,-2.84D+00)
 ( 0.00, 6.30) (-1.48D-10,-1.75D-10) (-2.99D+00, 3.01D+00) ( 0.59D+00,-0.48D+00)
               (-7.70D-01, 2.83D+00) (-1.06D+10, 1.94D+10) ( 3.33D+10,-1.04D+10)
                                     ( 4.48D+00,-1.09D+00) (-0.46D+00,-1.72D+00)
                                                                :End of matrix A