英语词汇“contragredient”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

contragredient

释义

ˌcontraˈgredient, a. Math.
[f. L. contrā- against (contra- 1) + -gredient: cf. cogredient.]
See quot.
1853Sylvester in Phil. Trans. CXLIII. i. 543 A system of variables is cogredient to another system when it is subject to undergo simultaneously therewith linear substitution of a like kind, and contragredient when it is subject to undergo linear substitution simultaneously therewith but of a contrary kind.1880Carr Synops. Math. I. §1813. 1885 Salmon Higher Alg. (ed. 4) 120 Similarly the ray coordinates of different lines for the same system of reference are cogredient, but the axial coordinates are transformed by the inverse substitution, that is, are contragredient to the former.

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