Projection of a Torus
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A similar process is carried out to create this page's main image. A four-dimensional object, described further below, is projected into three-dimensions using two different projections. | A similar process is carried out to create this page's main image. A four-dimensional object, described further below, is projected into three-dimensions using two different projections. | ||
| - | |ImageDesc=The four-dimensional object is defined parametrically by | + | |ImageDesc=The four-dimensional object is defined parametrically by <math> (x_1,x_2,x_3,x_4)=(cos(u),sin(u),cos(v),sin(v)) </math> |
|AuthorName=Thomas F. Banchoff | |AuthorName=Thomas F. Banchoff | ||
|AuthorDesc=Thomas F. Banchoff is a geometer, and a professor at Brown University since 1967. | |AuthorDesc=Thomas F. Banchoff is a geometer, and a professor at Brown University since 1967. | ||
Revision as of 15:31, 4 June 2009
| Projection of a Torus |
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Contents |
Basic Description
It is impossible to visualize a complete four-dimensional object, since we have only ever lived in three-dimensional space. However, there are ways to capture parts of the four-dimensional object in three-dimensional space. A useful analogy is a world map. We can capture the essence of the three-dimensional globe on a two-dimensional map, but only by using a projection, which distorts the three-dimensional object in some way to fit on a two-dimensional surface.A similar process is carried out to create this page's main image. A four-dimensional object, described further below, is projected into three-dimensions using two different projections.
A More Mathematical Explanation
The four-dimensional object is defined parametrically by
The four-dimensional object is defined parametrically by
Teaching Materials
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About the Creator of this Image
Thomas F. Banchoff is a geometer, and a professor at Brown University since 1967.
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