Linear and multilinear algebra; matrix theory Vector spaces Concept
External direct sum
Summary
The external direct sum of a family of vector spaces is the space of families of vectors, one vector from each space. Only finitely many entries of such a family are nonzero. For finitely many spaces it is the product of the spaces.
Where this leads
2 pages build on this one.
Further reading
- Web https://en.wikipedia.org/wiki/Direct_sum_of_modules, Construction for two vector spaces
About this page
| Tag | 0S7W6EG32V |
|---|---|
| URI | m2://0S7W6EG32V |
| Kind | concept |
| Writing | W0 stub |
| MSC | 15A03, 16D10 |
| Specializes | Vector space |
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