?? programs_13a.m
字號(hào):
% Chapter 13 - Three-Dimensional Autonomous Systems and Chaos.
% Programs_13a - 3-D phase portrait (Lorenz).
% Copyright Birkhauser 2004. Stephen Lynch.
Lorenz=inline('[10*(x(2)-x(1));28*x(1)-x(2)-x(1)*x(3);x(1)*x(2)-(8/3)*x(3)]','t','x');
options = odeset('RelTol',1e-4,'AbsTol',1e-4);
[t,xa]=ode45(Lorenz,[0 100],[15,20,30],options);
plot3(xa(:,1),xa(:,2),xa(:,3))
title('The Lorenz Attractor')
fsize=15;
xlabel('x(t)','Fontsize',fsize);
ylabel('y(t)','Fontsize',fsize);
zlabel('z(t)','FontSize',fsize);
% End of Programs_13a.
?? 快捷鍵說明
復(fù)制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號(hào)
Ctrl + =
減小字號(hào)
Ctrl + -