对任意给定的初始向量x0 =b+b2V2+…+b x=A 021 A 类似地 z,= 0 k 0
对任意给定的初始向量x0 类似地 1 0 1 0 1 1 0 , || || || || x Az x Az z x Az = = = 0 0 1 1 2 2 0 n n x z b v b v b v x = = + + + 0 0 || || k k k A z z A z =
2b+b()v2+…+b()vn ‖bv2+b2()n2+…+b1()n‖ 当入1>0时4 k 6,vil 当入<0时 k by k→>± bv1‖
当1>0时 2 1 1 2 2 1 1 1 1 2 1 1 2 2 1 1 ( ) ( ) | | || ( ) ( ) || k k n k n n k k k k n n n b v b v b v z b v b v b v + + + = + + + 1 1 1 | | k k = 1 1 1 1 || || k b v z b v → 1 1 1 1 || || k b v z b v → 当1<0时 1 1 1 | | k k =
