翻訳と辞書 Words near each other ・ Community language learning ・ Community leader ・ Community league ・ Community learning ・ Community Legal Advice ・ Community Legal Centre ・ Community Links ・ Community Living Assistance Services and Supports Act ・ Community Living British Columbia ・ Community Living Ontario ・ Community Magnet Charter School ・ Community management ・ Community manager ・ Community Manager Appreciation Day ・ Community marketing ・ Community matrix ・ Community media ・ Community Media Association ・ Community Media Workshop ・ Community Mediation Centre (Singapore) ・ Community Medical Center ・ Community Medical Center (Montana) ・ Community Memorial Hospital ・ Community Memorial Hospital (Ayer, Massachusetts) ・ Community Memorial Museum of Sutter County ・ Community Memory ・ Community Mental Health Act ・ Community mental health service ・ Community method ・ Community Methodist Church of Ione Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Community matrix ： ウィキペディア英語版 Community matrix In mathematical biology, the community matrix is the linearization of the Lotka–Volterra equation at an equilibrium point. The eigenvalues of the community matrix determine the stability of the equilibrium point. The Lotka–Volterra predator-prey model is :$\backslash begin$ \frac &= x(\alpha - \beta y) \\ \frac &= - y(\gamma - \delta x), \end where ''x''(''t'') denotes the number of prey, ''y''(''t'') the number of predators, and ''α'', ''β'', ''γ'' and ''δ'' are constants. The linearization of these differential equations at an equilibrium point (''x'' *, ''y'' *) has the form :$\backslash begin\; \backslash frac\; \backslash \backslash \; \backslash frac\; \backslash end\; =\; A\; \backslash begin\; u\; \backslash \backslash \; v\; \backslash end,$ where ''u'' = ''x'' − ''x'' * and ''v'' = ''y'' − ''y'' *. The matrix ''A'' is called the community matrix. If ''A'' has an eigenvalue with positive real part then the equilibrium is unstable, but if all eigenvalues have negative real part then it is stable. == References == * . 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Community matrix」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.