Question
Sun December 18, 2011 By:

Can I know about 4 dimensional objects ?

Expert Reply
Mon December 19, 2011
In mathematics, four-dimensional space ("4D") is an abstract concept derived by generalizing the rules of three dimensional space.
Algebraically it is generated by applying the rules of vectors and coordinate geometry to a space with four dimensions. In particular a vector with four elements (a 4-tuple) can be used to represent a position in four-dimensional space. The space is a Euclidean space, so has a metric and norm, and so all directions are treated as the same: the additional dimension is indistinguishable from the other three.
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