Phrase guide

projection matrix

noun · 2 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.

Sound

Pronunciation

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1

noun

Meaning 1

A transformation matrix whose associated transformation is a projection.

Definition source: English Wiktionary via Wiktextract

Topics: linear-algebra, mathematics, sciences

Examples

  • 2006, H. Watari, Y. Shimoyama, Chapter 5: Density Matrix Formalism of Angular Momentum in Multi-Quantum Magnetic Resonance, Christopher J. Bender, Lawrence Berliner (editors, Computational and Instrumental Methods in EPR, Springer, page 191, The resultant eigenvalues of the angular momentum are independent of direction, but the projection matrices are dependent.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A matrix that maps a vector of response (dependent variable) values to a vector of fitted or predicted values.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences, statistics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.