matlab错误：Warning:Matrix dimensions must agree,not rendering

matlab错误：Warning:Matrix dimensions must agree,not rendering mesh.
>> load V1.txt
>> v1=V1(:,1);
>> i1=V1(:,2);
>> v2=V1(:,1);
>> surf(v1,i1,v2);
Warning:Matrix dimensions must agree,not rendering mesh.
请问这是怎么回事?
V1.txt的内容如下：
0.-2.122e-03
5.0000e-02 -2.047e-03
1.0000e-01 -1.974e-03
1.5000e-01 -1.904e-03
2.0000e-01 -1.840e-03
2.5000e-01 -1.785e-03
3.0000e-01 -1.747e-03
3.5000e-01 -1.729e-03
4.0000e-01 -1.718e-03
4.5000e-01 -1.707e-03
5.0000e-01 -1.697e-03
5.5000e-01 -1.687e-03
6.0000e-01 -1.677e-03
6.5000e-01 -1.670e-03
7.0000e-01 -1.665e-03
7.5000e-01 -1.661e-03
8.0000e-01 -1.658e-03
8.5000e-01 -1.655e-03
9.0000e-01 -1.652e-03
9.5000e-01 -1.650e-03
1.0000e+00 -1.647e-03
1.0500e+00 -1.645e-03
1.1000e+00 -1.642e-03
1.1500e+00 -1.640e-03
1.2000e+00 -1.637e-03
1.2500e+00 -1.634e-03
1.3000e+00 -1.632e-03
1.3500e+00 -1.629e-03
1.4000e+00 -1.627e-03
1.4500e+00 -1.624e-03
1.5000e+00 -1.622e-03
1.5500e+00 -1.620e-03
1.6000e+00 -1.617e-03
1.6500e+00 -1.615e-03
1.7000e+00 -1.613e-03
1.7500e+00 -1.611e-03
1.8000e+00 -1.609e-03
1.8500e+00 -1.607e-03
1.9000e+00 -1.605e-03
1.9500e+00 -1.603e-03
2.0000e+00 -1.602e-03
2.0500e+00 -1.600e-03
2.1000e+00 -1.599e-03
2.1500e+00 -1.598e-03
2.2000e+00 -1.598e-03
2.2500e+00 -1.597e-03
2.3000e+00 -1.597e-03
2.3500e+00 -1.596e-03
2.4000e+00 -1.596e-03
2.4500e+00 -1.596e-03
2.5000e+00 -1.595e-03
2.5500e+00 -1.595e-03
2.6000e+00 -1.595e-03
2.6500e+00 -1.595e-03
2.7000e+00 -1.595e-03
2.7500e+00 -1.594e-03
2.8000e+00 -1.594e-03
2.8500e+00 -1.594e-03
2.9000e+00 -1.594e-03
2.9500e+00 -1.594e-03
3.0000e+00 -1.594e-03
3.0500e+00 -1.594e-03
3.1000e+00 -1.593e-03
3.1500e+00 -1.593e-03
3.2000e+00 -1.593e-03
3.2500e+00 -1.593e-03
3.3000e+00 -1.593e-03

surf(v1,i1,v2);
这个命令中v2的维数应该是V1*i1的维数,而你的v2的维数只是跟V1或者i1相同,所以就是维数不一致了