vf(x2)=(0.731.28)‖Vf(x2)|=147> Jo -2272)s0=(270,-149) 据此表(37),有形式 ha h2 u( 2.72 1.49 -197 0.044 -0.118840.06558 从而得h1=0,h2=-0.11884,h21=0,h2=0.06558 于是 0 0.118840.06558 S=-n(x)=(00 0.0028 再经一维搜索,得A1=-57.143s1=(0.-0.16) (2.701.35)Vf(x)=(1.372,0) Vf(x2)|=1.372>Ey=(0642.-1.28) 于是(71)有形式(略去了人工变量) 4473-22.722.70-1.49 0.642-128 -0.16 0.08100.0405 0.04060.1453 而得 0.08100.0405 0.04060.1453 (接近对称) l89189 ( ) = (0.73,1.28) || ( ) ||=1.47 1 1 f x f x T T T y (44.73, 22.72) s (2.70, 1.49) 0 = − 0 = − 据此表(37),有形式: i1 h i2 h 0 u 44.73 -22.72 1 2.70 -1.49 -1.97 1 0.044 -0.11884 0.06558 从而得 h11 = 0, h12 = −0.11884, h21 = 0, h22 = 0.06558 于是 − = 0.06558 0 0.11884 0 1 T H = − = 0.0028 0 ( ) 1 1 1 S H f x T 再经一维搜索,得 T 57.143 s (0. 0.16) 1 = − 1 = − T T x (2.70,1.35) f (x ) (1.372,0) 2 2 = = T || f (x ) || 1.372 y (0.642, 1.28) 1 2 = = − 于是 (71) 有形式(略去了人工变量): 44.73 -22.72 0.642 -1.28 2.70 -1.49 0 -0.16 1 0 0 1 0.0810 0.0405 0.0406 0.1453 从而得 = 0.1453 0.0405 0.0406 0.0810 2 T H (接近对称)