gusucode.com > MATLAB与控制系统仿真实践 源代码 > MATLAB与控制系统仿真实践 源代码/第五章/eg5_19.m
t = 0:pi/30:10*pi; plot3(cos(t),sin(t),t,'-b','LineWidth',4) grid on axis square figure(2) stem3(cos(t),sin(t),t,'-.g')