Phrase guide

defective matrix

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

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1

noun

Meaning 1

A square (n×n) matrix that has fewer than n linearly independent eigenvectors, and is therefore not diagonalisable.

Definition source: English Wiktionary via Wiktextract

Topics: linear-algebra, mathematics, sciences

Examples

  • 1994, Sigal Ar, Jin-Yi Cai, Chapter 5: Reliable Benchmarks Using Numerical Stability, Proceedings of the Fifth Annual ACM-SIAM Symposium on Discrete Algorithms, Association for Computing Machinery, Society for Industrial and Applied Mathematics, page 41, An n x n matrix A is a defective matrix if it has a defective eigenvalue. Obviously, a Jordan block of dimension greater than 1, and a matrix whose Jordan canonical form has a Jordan block of dimension greater than 1, are defective matrices.

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Antonyms: none provided

History

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