exm062_4.m

matlab的初级教程

%exm062_4.m

clear,clf
t=0:2*pi/99:2*pi;
x=1.15*cos(t);y=3.25*sin(t);	%y为长轴，x为短轴
plot(x,y),axis normal,grid on,
title('Normal and Grid on')
shg
disp(' 以上是轴的通常设置。')
disp('按任意键继续！下面是X-Y轴刻度等长度设置情况。')
pause

plot(x,y),axis equal,grid on,title('Equal')
shg
disp('按任意键继续！下面是等长轴设置情况。')
pause

plot(x,y),axis square,grid on,title('Square')
shg
disp('按任意键继续！下面是非等长轴、而等长刻度，且坐标框紧贴数据范围情况。')
pause

plot(x,y),axis image,box off,title('Image and Box off')
shg
disp('按任意键继续！下面是等长刻度，且坐标充满整个图面，而坐标呈非方框形式。')
pause

plot(x,y),axis image fill,box off
title('Image and Fill')
shg
disp('按任意键继续！下面是非等长轴、非等长刻度，图形充满整个图面。')
pause

plot(x,y),axis tight,box off,title('Tight') 
shg