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Question: How to extract data from a plotted function

Question:How to extract data from a plotted function

Hamidreza 191 Maple
plot
June 12 2010
0

Hi friends,

I have plotted a 3d function by plot3d (z=f(x,y)) , but at the same time I need to know the values of z and also the relevant x's and y's. In fact, when I extract z's from it via "op" function, I don't know to which (x,y) it relates. The only thing I get is the range of x,y, for example 1..5.

Thanx!
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