表61计算结果 k k f(xu) 1.0 2.0 1.5 8.890625 1.25 564697 123456789 1.0 1.25 1.125 0.097713 1.125 1.25 1.1875 0.616653 1.125 1.1875 1.15625 0.233269 1.125 1.15625 1.140625 0.0615778 1.125 1.140625 1.132813 0.0195756 1.132813 1.140625 1.136719 0.0206190 1.132813 1.136719 1.134766 4307×10- 101.132813 1.134766 1.133789 0.00959799 1.133789 1.134766 1.134277 -0.0045915k k a k b k x ( ) k f x 1 1.0 2.0 1.5 8.890625 2 1.0 1.5 1.25 1.564697 3 1.0 1.25 1.125 -0.097713 4 1.125 1.25 1.1875 0.616653 5 1.125 1.1875 1.15625 0.233269 6 1.125 1.15625 1.140625 0.0615778 7 1.125 1.140625 1.132813 −0.0 195756 8 1.132813 1.140625 1.136719 0.0206190 9 1.132813 1.136719 1.134766 4.307 4 10−  10 1.132813 1.134766 1.133789 −0.00959799 11 1.133789 1.134766 1.134277 −0.0045915 表 6.1 计算结果