Two-dimensional matrix fitting

BB
2012 10 22
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Hi,all
I have a 100x100 matrix, which contains 10,000 value
Use imagec drawing as follows
http://ppt.cc/hSzU
I want to find a polynomial used to represent this surfaces
Seems the "sftool" command?
Then I enter this command appear:
Warning: SFTOOL will be removed in a future release. Use CFTOOL instead.
How can i reach my goal? thanks!

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BB
BB
2012-10-22

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