求教高手，Matlab关于Logistic映射混沌分岔图的问题

Matlab关于Logistic映射混沌分岔图的问题

% 倍周期现象，混沌的遍历性。1975年，斯坦福大学Feigenbaum教授

figure

axis([2.7,4,0,1])

grid

hold on

for r = 2.7:0.005:3.9

x = 0.1

for i =2:200

x(i) = r *x(i-1) *(1-x(i-1))

end

pause(0.1)

for i=151:200

plot(r,x(i),'k.')

end

end

clearclfhold on

axis([0,3,-3,3])grid

for a=0:0.005:3 x=[0.1]for i=2:150

x(i)=a*sin(pi*x(i-1))end pause(0.1) for i=101:150

plot(a,x(i),'k.')end end

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