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  2. Four-dimensional space - Wikipedia

    en.wikipedia.org/wiki/Four-dimensional_space

    The 4D equivalent of a cube is known as a tesseract, ... (4D) is the mathematical ... The general concept of Euclidean space with any number of dimensions was fully ...

  3. Tesseract - Wikipedia

    en.wikipedia.org/wiki/Tesseract

    In geometry, a tesseract or 4-cube is a four-dimensional hypercube, analogous to a two-dimensional square and a three-dimensional cube. [1] Just as the perimeter of the square consists of four edges and the surface of the cube consists of six square faces , the hypersurface of the tesseract consists of eight cubical cells , meeting at right ...

  4. 4-polytope - Wikipedia

    en.wikipedia.org/wiki/4-polytope

    The most familiar 4-polytope is the tesseract or hypercube, the 4D analogue of the cube. The convex regular 4-polytopes can be ordered by size as a measure of 4-dimensional content (hypervolume) for the same radius.

  5. Hypercube - Wikipedia

    en.wikipedia.org/wiki/Hypercube

    In geometry, a hypercube is an n-dimensional analogue of a square (n = 2) and a cube (n = 3); the special case for n = 4 is known as a tesseract.It is a closed, compact, convex figure whose 1-skeleton consists of groups of opposite parallel line segments aligned in each of the space's dimensions, perpendicular to each other and of the same length.

  6. Dimension - Wikipedia

    en.wikipedia.org/wiki/Dimension

    [1] [2] Thus, a line has a dimension of one (1D) because only one coordinate is needed to specify a point on it – for example, the point at 5 on a number line. A surface , such as the boundary of a cylinder or sphere , has a dimension of two (2D) because two coordinates are needed to specify a point on it – for example, both a latitude and ...

  7. 5-cell - Wikipedia

    en.wikipedia.org/wiki/5-cell

    In geometry, the 5-cell is the convex 4-polytope with Schläfli symbol {3,3,3}. It is a 5-vertex four-dimensional object bounded by five tetrahedral cells. It is also known as a C 5, hypertetrahedron, pentachoron, [1] pentatope, pentahedroid, [2] tetrahedral pyramid, or 4-simplex (Coxeter's polytope), [3] the simplest possible convex 4-polytope, and is analogous to the tetrahedron in three ...

  8. Rotations in 4-dimensional Euclidean space - Wikipedia

    en.wikipedia.org/wiki/Rotations_in_4-dimensional...

    The trajectory of a point can be written as a function of time as {ξ 10 + ω 1 t, η 0, ξ 20 + ω 2 t} and stereographically projected onto its associated torus, as in the figures below. [8] In these figures, the initial point is taken to be {0, ⁠ π / 4 ⁠, 0}, i.e. on the Clifford torus. In Fig. 1, two simple rotation trajectories are ...

  9. Regular 4-polytope - Wikipedia

    en.wikipedia.org/wiki/Regular_4-polytope

    Hyper-cube 16-point 24-cell. 24-point 600-cell. ... The number following the name of the group is the order of the group. ... Regular 4D Polytope Foldouts;