英语词汇“non-positive definite”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

> as lemmas

non-positive definite

non-positive definite adj.

Brit.

/ˌnɒnpɒzᵻtɪv ˈdɛf(ᵻ)nᵻt/

U.S.

/ˌnɑnˌpɑzədɪv ˈdɛf(ə)nət/

/ˌnɑnˌpɑztɪv ˈdɛf(ə)nət/

Mathematics not positive definite (see positive definite adj. at positive adj. and n. Compounds).

ΚΠ

1948 Amer. Jrnl. Math. 70 395 A(t) + A*(t) is non-positive definite for 0≦t<∞.

1964 E. A. Power Introd. Quantum Electrodynamics vi. 77 It has led to the necessity of defining a non-positive definite metric in the quantum theory of electrodynamics.

1991 Internat. Jrnl. Numerical Methods Engin. 32 347 The system of equations is..solved in parallel using a conjugate gradient algorithm for unsymmetric, non-positive definite systems.

extracted from non-prefix

as lemmas

单词	non-positive definite
释义	> as lemmas non-positive definite non-positive definite adj. Brit. /ˌnɒnpɒzᵻtɪv ˈdɛf(ᵻ)nᵻt/ , U.S. /ˌnɑnˌpɑzədɪv ˈdɛf(ə)nət/ , /ˌnɑnˌpɑztɪv ˈdɛf(ə)nət/ Mathematics not positive definite (see positive definite adj. at positive adj. and n. Compounds). ΚΠ 1948 Amer. Jrnl. Math. 70 395 A(t) + A(t) is non-positive definite for 0≦t<∞. 1964 E. A. Power Introd. Quantum Electrodynamics* vi. 77 It has led to the necessity of defining a non-positive definite metric in the quantum theory of electrodynamics. 1991 Internat. Jrnl. Numerical Methods Engin. 32 347 The system of equations is..solved in parallel using a conjugate gradient algorithm for unsymmetric, non-positive definite systems. extracted from non-prefix < as lemmas
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