Word.ws English Dictionary

direct sum

direct sum noun: coproduct in some categories, like abelian groups, topological spaces or modules.

Noun

direct sum (plural direct sums)

  1. coproduct in some categories, like abelian groups, topological spaces or modules
  2. A linear sum in which the intersection of the summands has dimension zero. Equivalently, a linear sum of two subspaces, any vector of which can be expressed uniquely as a sum of two vectors: one vector belonging to the first subspace, and the other vector belonging to the second subspace.
  3. A block diagonal matrix interpreted as having its non-zero blocks (which are square matrices) as summands.

direct sum meaning in Tamil

direct sum in Tamil

நேரிடைக் கூட்டல், நேர் கூட்டல்

Forms of direct sum

pluraldirect sums

Questions about direct sum

What does direct sum mean?
Direct sum means coproduct in some categories, like abelian groups, topological spaces or modules.
What is direct sum in Tamil?
Direct sum in Tamil is நேரிடைக் கூட்டல், நேர் கூட்டல். See Direct sum meaning in Tamil.
What part of speech is direct sum?
Direct sum is a noun.
What is the plural of direct sum?
The plural of direct sum is direct sums.

Words near direct sum in the dictionary

  1. direct rule
  2. direct selling
  3. direct sequel
  4. direct sequels
  5. direct speech
  6. direct sum
  7. direct sums
  8. direct system
  9. direct systems
  10. direct tax
  11. direct taxes

Source and license

Adapted from Wiktionary: direct sum (page history and authors); direct sum (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “direct sum.” Word.ws, https://word.ws/direct_sum. Based on Wiktionary, CC BY-SA 4.0.