07-27.txt

MATLABR2006a基础教程

>> syms x y

>> f = 3*(1-x)^2*exp(-(x^2)-(y+1)^2) ... 
   - 10*(x/5 - x^3 - y^5)*exp(-x^2-y^2) ... 
   - 1/3*exp(-(x+1)^2 - y^2);

>> subplot(1,2,1),ezcontour(f,[-3,3],49),title('coutour');

>> subplot(1,2,2),ezcontourf(f,[-3,3],49),title('filled coutour');