What is the equation for 3D analog of the parabola (the paraboloid) using cartesian co-ordinates?
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In 2D, the equation is:
$y=4a(x-x_0)^2+c$
What is the equation for 3D analog of parabola?
conic-sections
asked 2011-07-25
user id:13749
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Just for clarification: are you looking for the equation for the parabola as a curve in 3D, or are you looking for a 3D analogue of the parabola (for example, the paraboloid)? – 2011-07-25
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@willie-wong: Thanks. I think I got my answer at [link](http://en.wikipedia.org/wiki/Paraboloid) – 2011-07-25
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@kritisen: to be clear, a parabola is a one-dimensional object in the sense that it has only length (like a string). So you were looking for the paraboloid? (I'm sorry if I'm repeating Willie, I just want to make sure you found what you were looking for). – 2011-07-25
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