Dual

From Why start at x, y, z
Revision as of 08:33, 6 September 2023 by Mscroggs (talk | contribs)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

The word "dual" is used to name various similar but different concepts.

  • The dual of a polyhedron is the shape obtained by joining the midpoints of all the faces.
  • The dual of a function space is the set of all linear functionals on the function space.
Retrieved from ‘https://whystartat.xyz/index.php?title=Dual&oldid=403’