Parameterized surfaces from coordinates

In summary, for all parameterized (hyper)surfaces that form smooth manifolds of dimension ##n-1## embedded in Euclidean ##\mathbb {R}^n##, there will always exist a coordinate system ##\partial_{\bar \mu}## on ##\mathbb {R}^n## that yields the same manifold when the right coordinate is set to a constant, resulting in an induced metric ##g_{\bar \mu \bar \nu}## where any components with a 1 are dropped. This is possible locally by using the distance from the surface as the final coordinate in the coordinate system.
  • #1
Pencilvester
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For all parameterized (hyper)surfaces that form smooth manifolds of dimension ##n-1## embedded in Euclidean ##\mathbb {R}^n##, will there always exist a coordinate system ##\partial_{\bar \mu}## on ##\mathbb {R}^n## that yields the same manifold when the right coordinate (say ##\partial_1##) is set to the right constant such that the induced metric on the (sub)manifold is equal to ##g_{\bar \mu \bar \nu}## where any components that have a 1 are dropped?
 
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  • #2
Locally, yes. Just take any coordinate system on the surface and use the distance from the surface as your final coordinate. That coordinate system will locally be a coordinate system in the full space.
 
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Thanks!
 

1. What is a parameterized surface?

A parameterized surface is a mathematical representation of a 3-dimensional surface using two independent variables, typically denoted as u and v. These variables can be thought of as coordinates on the surface, and by varying them, different points on the surface can be described.

2. How are parameterized surfaces created from coordinates?

Parameterized surfaces are created by defining a set of equations that relate the coordinates (u and v) to points on the surface. These equations can be derived using various methods, such as using vector calculus or algebraic geometry.

3. What are the advantages of using parameterized surfaces?

One advantage of using parameterized surfaces is that they provide a more flexible and intuitive way to describe 3-dimensional surfaces compared to traditional Cartesian coordinates. They also allow for more complex and intricate shapes to be described, making them useful in fields such as computer graphics and engineering.

4. Can parameterized surfaces be used to represent any type of surface?

Yes, parameterized surfaces can be used to represent a wide range of surfaces, including planes, spheres, cylinders, and more complex shapes such as tori and hyperboloids. The equations used to define the surface may vary depending on the shape, but the general concept remains the same.

5. How are parameterized surfaces used in real-world applications?

Parameterized surfaces have many practical applications, such as in computer graphics, where they are used to create realistic 3D models of objects and environments. They are also used in fields such as engineering and physics to model and analyze complex surfaces and shapes. Additionally, parameterized surfaces are used in mathematics to study and understand the properties of surfaces in a more general and abstract way.

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