superdiagonal
superdiagonal noun: the diagonal of a matrix that lies directly above and to the right of the main diagonal.
Noun
superdiagonal (plural superdiagonals)
- The diagonal of a matrix that lies directly above and to the right of the main diagonal.
- We classify all free spectrahedra that are circular, that is, closed under multiplication by exp(i t): up to unitary equivalence, the coefficients of a minimal LMI defining a circular free spectrahedron have a common block decomposition in which the only nonzero blocks are on the superdiagonal.2016, Eric Evert, J. William Helton, Igor Klep, Scott McCullough, “Circular Free Spectrahedra”, in arXiv
Forms of superdiagonal
| plural | superdiagonals |
|---|
Origin of superdiagonal
From super- + diagonal.
Questions about superdiagonal
- What does superdiagonal mean?
- Superdiagonal means the diagonal of a matrix that lies directly above and to the right of the main diagonal.
- What part of speech is superdiagonal?
- Superdiagonal is a noun.
- What is the plural of superdiagonal?
- The plural of superdiagonal is superdiagonals.
Words near superdiagonal in the dictionary
Source and license
Adapted from Wiktionary: superdiagonal (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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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-superdiagonal.wav.
Cite this entry: “superdiagonal.” Word.ws, https://word.ws/superdiagonal. Based on Wiktionary, CC BY-SA 4.0.