3D surface plot in matlab

Hi friends, How can I plot a 3D surface plot or 3D mesh from this kind of data in matlab. Column1 on X axis, column2 on Y axis and column3 on Z axis.

h = [ 100 100 0.0243 ; 100 310 0.0679 ; 100 350 0.0643 ;

     150 200  0.3153     ;
     150 250 0.3010     ;
     150 450 0.1087 ;

     200 180 0.4895     ;
     200 400 0.1529    ;
     200 450 0.1123 ; ];

I already used plot3() command but get discretely plotted values, not a surface plot or mesh.

Thanks, Yusuf

Answer 1

[Sean de Wolski]

You could feed the unique values of the first two columns into meshgrid() to get a uniform grid, then with reshaping the third column accordingly you can use mesh() or surf().

Answer 2

[Patrick Kalita]

Check out the answers to these very similar question:

• http://www.mathworks.com/matlabcentral/answers/220-3d-plot-from-imported-excel-data
• http://www.mathworks.com/matlabcentral/answers/4006-creating-a-3d-surface-plot
• http://www.mathworks.com/matlabcentral/answers/14002-3d-surface-plot-with-only-vectors

Also, this File Exchange submission is an example of what you are trying to do:

http://www.mathworks.com/matlabcentral/fileexchange/5105