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单词 non-singular
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non-singular
non-singular adj.
Brit. /(ˌ)nɒnˈsɪŋɡjᵿlə/
,
U.S. /ˌnɑnˈsɪŋɡjələr/
Mathematics and Physics not singular; not having a singularity; (of a matrix) having a non-zero determinant.
ΚΠ
1877 A. Cayley in Encycl. Brit. VI. 724/1 The classification mixes together non-singular and singular curves.
1947 S. A. Stigant Mod. Electr. Engin. Math. iv. 72 An inverse matrix can only be derived from a non-singular square matrix.
1968 E. T. Copson Metric Spaces viii. 117 Thus z = 0 is not a latent root of IA, so that IA is non-singular.
1991 Struct. Change & Econ. Dynamics 2 160 We can assume that B is a non-singular matrix.
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