%matlab程序代码:scrsz=get(0,'ScreenSize');figure('Position',[00scrsz(3)scrsz(4)]);[x,y,z]=meshgrid(linspace(-1.3,1.3));val=(x.^2+(9/4).*y.^2+z.^2-1).^3-x.^2.*z.^3-(9/80).*y.^2.*z.^3;isosurface(x,y,z,val,0);colormap(Flag);title('heart');%gridoff;%boxoff;axisoff;shadingflat;axisequal;view(-20,35);hiddenon;