x=-6:0.012:6;
y=-4:0.008:4;
[X,Y] = 禅销穗meshgrid(x,y);
z1=(sin(sqrt(X.^2+Y.^2)))./sqrt(X.^2+Y.^2);
subplot(2,2,1);
surfc(X,Y,z1)
shading interp
z2=100*(Y-X.^2).^2+(1-X).^2;
subplot(2,2,2);
surfc(X,Y,z2)
shading interp
z3=atan(X.^4+sin(Y));
subplot(2,2,3);
surfc(X,Y,z3)
shading interp
画3D图要用矩阵来运斗培算,用向量不要用surfc
arcos是你自创的吧贺卜?应该是acos
而且acos的范围是-1~1你的熟入范围不对,我给你换成了atan