preconditioner

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noun

A matrix that has a smaller condition number than another.

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Meanings

nounpreconditioner (plural preconditioners)

plural preconditioners

  1. mathematicsA matrix that has a smaller condition number than another.

    Furthermore, the multipreconditioned search space is shown to grow only linearly with the number of preconditioners.

    2016, Tania Bakhos, Peter Kitanidis, Scott Ladenheim, Arvind K. Saibaba, Daniel Szyld, “Multipreconditioned GMRES for Shifted Systems”, in arXiv

Origin

From pre- + conditioner.

Full word history & related roots →
Cite this entry
APA

preconditioner. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/preconditioner

MLA

“preconditioner.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/preconditioner. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “preconditioner,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/preconditioner.

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