8楼: Originally posted by sudo at 2011-09-13 16:30:37
用MATLAB的话，要善用help

给一段例子吧：


theta = 0:pi/100:2*pi;
circleX = cos(theta);
circleY = sin(theta);  %圆

x = -1:0.01:1;
y = -x.^2;  %双曲线

figure;

%subplot('position', ) ...