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

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Zheng
Zheng 2012-9-20
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>>

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Sachin Ganjare
Sachin Ganjare 2012-9-21

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