MATLAB: How to extract the data that is used to draw a surface in this example

Question

Here's Matlab example

oad franke; fitresult = fit( [x, y], z, 'poly23' ); % use fit function to calculate a surface

Then a surface can be drawn by using plot(fitresult, [x,y], z)

But how can I be able to access these data used to draw this surface?<<http://ilovematlab.cn/data/attachment/forum/201209/21/001024ebetooqn9tjsoyf5.jpg>>

Answer 1

Check link below;

http://www.mathworks.in/support/solutions/en/data/1-A6PBV2/?solution=1-A6PBV2

Hope this helps!!!