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Can anyone help us draw surface using the following data?

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IEEE IE
IEEE IE 2011-6-9
Dear all,
If Z is a function of X and Y , Is it possible to plot surface using the following data. I can do this by Microcol Origin software. bt cant do by MATLAB without the equation of Z.
x= [66 66 66 66 66 66 258 258 258 258], y=[0.1 0.1 0.1 0.1 0.1 0.1 0.2 0.2 0.2 0.2], and z=[40 85 130 20 70 155 70 190 75 250],
These data have been collected experimentally. here z=40 for (66,0.1) and so on.

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Andreas Goser
Andreas Goser 2011-6-9
This Technical Note will help you.

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John D'Errico
John D'Errico 2011-6-9
You have only FOUR (4) data points, replicated many times. This is not data. It is a rectangle, no more.
Average the z values at each combination,and use patch.

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