contour531.m

来自「matlab7.0从入门到精通(光盘内容)」· M 代码 · 共 9 行

function contour531

figure(1)
[X,Y] = meshgrid(-2:.2:2,-2:.2:3);
Z = X.*exp(-X.^2-Y.^2);
[C,h] = contour(X,Y,Z);
set(h,'ShowText','on','TextStep',get(h,'LevelStep')*2)