Ixn-x"I"xo-x" limx-x lim L"x-x0 (0<L<1) 1n→o0 n→co 所以, limx=x 故迭代格式收敛 n→co |xn-x|=xn-xn+1+xm+1-x| xn-x+1|+|xn+1-x| sxn-x+Lx-x → (1-L)x Ix-sz- 1515 | | | | * 0 * x x L x x n n lim | | lim | | 0 * 0 * x x L x x n n n n ( 0<L<1 ) 所以, 故迭代格式收敛 * lim x x n n | | * x x n (1 )| | | | 1 * n n n L x x x x | | 1 1 | | 1 * n n n x x L x x | | * 1 1 x x x x n n n | | | | * 1 1 x x x x n n n | | | | * 1 x x L x x n n n