pseudospectrum

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|math}} A [[set]] containing the [[spectrum]] of an [[operator]] and the numbers that are "almost" [[eigenvalue]]s.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.