matlab画等高线问题,请高人解答.详细请看补充.有319个观测点,每个观测点有重金属的浓度值,想

matlab画等高线问题,请高人解答.详细请看补充.有319个观测点,每个观测点有重金属的浓度值,想

clc;x=qu(:,9)';y=qu(:,10)';z=qu(:,11)';%scatter(x,y,5);%title('取样点');xi=linspace(min(x),max(x),50);yi=linspace(min(y),max(y),50);[xi,yi]=meshgrid(xi,yi);zi=griddata(x,y,z,xi,yi,'v4');%figure;%contourf(xi,yi,zi,50)%title('等高线');%hold on;figure;mesh(xi,yi,zi)title('海拔图');for i=1:8x=qu(:,9)';y=qu(:,10)';z=qu(:,i)';%scatter(x,y,5);%title('取样点');xi=linspace(min(x),max(x),50);yi=linspace(min(y),max(y),50);[xi,yi]=meshgrid(xi,yi);zi=griddata(x,y,z,xi,yi,'v4');%figure;%contourf(xi,yi,zi,50)%title('等高线');%hold on;figure;axissurfl(xi,yi,zi)title('浓度图');shading interpend

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