| 单词 | difference equation |
| 释义 | > as lemmasdifference equation difference equation n. [ultimately after French équation des differences (J. L. Lagrange 1770, in Mem. de l'Acad. Royale des Sci. & Belles-Lettres (Berlin) 24 112)] Mathematics a recurrence relation; esp. one in which the general member of the sequence is given in terms of the differences between successive terms. ΚΠ 1853 Monthly Notices Royal Astron. Soc. 13 134 The author treats with the utmost rigour Schlüter's observations, and deduces the following result from the difference equations. 1927 E. L. Ince Ordinary Differential Equations ix. 206 Each boundary condition is equivalent to a linear difference equation. 2003 New Scientist 19 July 30/1 Thomas devised a difference equation that relates the mosquito population in any given week to the previous week's population. < as lemmas |
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