MATLAB大作业（图形绘制）.zip

x=3*pi*(-1:1/15:1);y=x;[X,Y]=meshgrid(x,y); R=sqrt(X.^2+Y.^2)+eps;Z=sin(R)./R; [dzdx,dzdy]=gradient(Z); dzdr=sqrt(dzdx.^2+dzdy.^2); dz2=del2(Z); subplot(1,2,1),surf(X,Y,Z,abs(dzdr)) shading faceted; colorbar('SouthOutside') brighten(0.6); colormap hsv title('No.1 surf(X,Y,Z,abs(dzdr))') subplot(1,2,2);surf(X,Y,Z,abs(dz2)) shading faceted colorbar('NorthOutside') title('No.2 surf(X,Y,Z,abs(dz2))')