A=[2 3 14.2743892
2.1 3.15 14.2642229
2.2 3.3 14.2108503
2.3 3.45 14.2883674
2.4 3.6 13.8931573
2.5 3.75 13.6974583
2.6 3.9 13.4649072
2.7 4.05 13.4445747
2.8 4.2 13.0671555
2.9 4.35 13.4242424
3 4.5 13.142131
3.1 4.65 13.3619744
3.2 4.8 13.1726296
3.3 4.95 13.4750732
3.4 5.1 12.67957
3.5 5.25 12.4635385
3.6 5.4 12.8663735
3.7 5.55 12.8257085
3.8 5.7 12.0454545
3.9 5.85 11.7480939
4 6 12.4622677
4.1 6.15 11.2245356
4.2 6.3 11.3668622
4.3 6.45 12.3059629
4.4 6.6 11.7595308
4.5 6.75 12.2627566
4.6 6.9 11.5371455
4.7 7.05 10.8369502
4.8 7.2 11.4087977
4.9 7.35 10.47478
5 7.5 10.9424243];
x=A(:,1);y=A(:,2);z=A(:,3);
scatter(x,y,5,z)%散点图
figure
[X,Y,Z]=griddata(x,y,z,linspace(min(x),max(x))',linspace(min(y),max(y)),'v4');%插值
pcolor(X,Y,Z);shading interp%伪彩色图
figure,contourf(X,Y,Z) %等高线图
figure,mesh(X,Y,Z)%三维曲面
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