rossler423.m

rossler混沌系统图像

function dy = rossler423(t,y)
a=1/5;b=1/5;u=4.23;%u=2.4,4,4.23,4.3,5,5.7
%a=0.38;b=0.3;u=45;cannot work
dy = zeros(3,1);    % a column vector
dy(1) = -y(2)-y(3);
dy(2) = y(1)+a* y(2);
dy(3) =b+y(1) * y(3)-u*y(3);