Dual: Difference between revisions

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The word "dual" is used to name various similar but different concepts.
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 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.
* The dual of a function space is the set of all linear functionals on the function space.

Revision as of 08:33, 6 September 2023

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.