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Question regarding 3D Plot

Question regarding 3D Plot

Question regarding 3D Plot

(OP)
Hi everybody,
I have been trying to plot a function

z^2=(5-x)*(5-y)

using only the positive values of the cone, and within the boundary set by

x+y>=-12.5

I've been messing around with 'meshgrid' and 'surf' but can't seem to get the boundary right. If somebody could point me in the right direction it would be great - i've been trying with a couple of for-loops as well but i cant get it right.

Hope someone can help a Matlab newbie out :)

Jesper

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