逻辑斯谛(Logstic)映射.pdf

4 4-1 Logistic λ N i i+1 N i+1 λN i λ N o (4-1) λ 1, N i N i2 N N x i o i N o N λN −λN 2 i+1 i i x λx (1−x ) 4-2 i+1 i i xi ∈[0,1], λ∈[0,4] 4-2 4-2 4- 1 xn xn+1 4-2 45º xn+1 x n R (x0 ,0) A(x , x ) A x 0 1 1 A(x , x ) 45ºB (x , x ) B 0 1 1 1 (x ,x ) x 1 2 2 λλ λ 1γ 3 45º λλ λ 2.4 x1 xi+1 7 / 12 1x x i i 3 γ 3.449 x i λx 4-2(b)λ 3.2 i 0.5130 ⇔0.7995, x x 2 x x i+2 i i i 3-12(