| 释义 |
signaletic, a. Math.|sɪgnəˈlɛtɪk|
[irreg. f. sign n. or signal n. Cf. F. signalétique (in a different sense), f. signaler vb.]
Relating to the algebraic signs plus and minus.
1853Sylvester in Phil. Trans. CXLIII. 546 A signaletic or Semaphoretic series is a sequence of disjunctive terms, considered solely with reference to the algebraical signs of plus and minus which they respectively carry. 1889Cayley in Nature XXXIX. 218/1 They are signaletic functions, indicating in what manner..the roots of the one equation are intercalated among those of the other. |