Definitions
from The Century Dictionary.
 In a stereographic manner; by delineation on a plane.
from the GNU version of the Collaborative International Dictionary of English.
 adverb In a stereographical manner; by delineation on a plane.
from Wiktionary, Creative Commons Attribution/ShareAlike License.
 adverb In a
stereographical manner; bydelineation on aplane .
Etymologies
from Wiktionary, Creative Commons Attribution/ShareAlike License
Examples

If you highlight a torus (a doughnut shape) in a 4dimensional sphere (yes, a torus can be a subset of a 4dimensional sphere) and then stereographically project the torus into 3 dimensions, you get a deformed torus  and it gets REALLY deformed as you roll the sphere around in 4D land:

If you highlight a torus (a doughnut shape) in a 4dimensional sphere (yes, a torus can be a subset of a 4dimensional sphere) and then stereographically project the torus into 3 dimensions, you get a deformed torus  and it gets REALLY deformed as you roll the sphere around in 4D land:

For example, if we want to visualize the 4dimensional equivalent of a cube (called a "hypercube", with 16 nodes and 32 edges), we can get a feel for it by "stereographically projecting" it into 3dimensions:

For example, if we want to visualize the 4dimensional equivalent of a cube (called a "hypercube", with 16 nodes and 32 edges), we can get a feel for it by "stereographically projecting" it into 3dimensions:

(they are stereographically projected onto a 3sphere, rotated and projected back down to flat 3space)
Comments
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