用matlab的plot画二维图?

用matlab的plot画二维图?平面拟合（-2.8,-3.4,-1.1,7.7,-0.9,-1.1,-4.1,1.4,0.5,3.6）多项式曲面拟合（1.0,-1.6,0.6,2.0,-1.4,1.0,-0.1,-0.6,0.5,-1.2）多面函数拟合（0.1,-1.4,-0.1,2.3,-1.8,-0.1,-0.1,-1.1,-0.1,0.1）单位是mm x轴点号是14,19,18,6,9,11,5,4,15,8,就跟下面的图类似的