>> x=[-7.5:0.5:7.5]
>> y=x;
>> [X,Y]=meshgrid(x,y)
>> R=sqrt(X.^2+Y.^2)+eps;
>> Z=sin(R)./R;
>> [X,Y,Z]=peaks(30);
>> [X,Y,Z]=peaks(30);
>> surf(X,Y,Z);
>> pcolor(X,Y,Z)
>> shading interp
>> hold on
>> shading interp
>> hold on
>> contour(X,Y,Z,19,'k')
>> [dy,dx]=gradient(Z,0.5,0.5);
>> quiver(X,Y,dx,dy)
>> cs=contour(X<Y<Z)
>> clabel(cs)
Baris pertama 1-5 paling atas dihapus pun tidak masalah, karena X, Y dan Z mengambil nilai dari fungsi "peaks". Coba saja!
BalasHapus