Coordinate systems
In mathematics, analytic geometry (also called Cartesian geometry) describes every point in three-dimensional space by means of three coordina… 展开

Another way of viewing three-dimensional space is found in linear algebra, where the idea of … 展开

Gradient, divergence and curl
In a rectangular coordinate system, the gradient of a (differentiable) function f : R 3 → R {\displaystyle f:\mathbb {R} ^{3}\rightarrow \… 展开

Three-dimensional space has a number of topological properties that distinguish it from spaces of other dimension numbers. For example, at least three dimensions are required to tie a … 展开