**> how to plot a cone, a hyperbolic paraboloid and a circular paraboloid
? , with the following equation:
[enter image description here][1]
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Use surface plots:
a = ?; b=?; c=?;
[X, Y] = meshgrid(linspace(0,1,25), linspace(0,1,25))
Z = ((x/a).^2 + (y/b).^2)*c
surf(X,Y,Z)
Replace linspace(0,1,25) by the range you want.
beesleep
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But I want to plot the tree types , how can I do ? Without functions – MSHELLE Sep 20 '18 at 17:31
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1. Matlab is a functionnal language, so without function is going to be "difficult", all the functions here are available on a base matlab instalation. 2. I don't know what a tree type is. In your question you asked "how to plot", so if you need something more specific, please rephrase your question. That's also the reason why you get downvoted. You can take some time reading https://stackoverflow.com/help/how-to-ask – beesleep Sep 20 '18 at 18:08