How to plot scatter graph in matlab?

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Meeral Patel
Meeral Patel 2011-8-14
I have need to make a system model with below specifications:
Area: 50x50(km) X & Y axis: random 20000 coordinates (locations) in 50x50 areas Z: it's a function of x & y coordinates. I need to plot values of z in x & y coordinates, which is measured in dB. I also need to differentiate values with different colour codes.
Any input from anyone will be much appreciated.
Thank you.

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回答（1 个）

Fangjun Jiang
Fangjun Jiang 2011-8-14
The function you are looking for is scatter3. help scatter3 for details and example. The other function might be mesh(),surf() as long as you have X,Y and Z data.
[x,y,z]=peaks;
surf(x,y,z)

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