spectrahedron

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noun

The intersection of the cone of positive semidefinite matrices with an affine-linear space

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Meanings

nounspectrahedron (plural spectrahedra)

plural spectrahedra

  1. mathematicsThe intersection of the cone of positive semidefinite matrices with an affine-linear space
Cite this entry
APA

spectrahedron. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/spectrahedron

MLA

“spectrahedron.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/spectrahedron. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “spectrahedron,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/spectrahedron.

Source: spectrahedron on Wiktionary, CC BY-SA 4.0.