符號微分方程 的英文怎麼說

中文拼音 [fúháowéifēnfāngchéng]
符號微分方程 英文
symbolic differential equation
  • 符 : Ⅰ名詞1 （符節） tally （with two halves made of wood bamboo jade metal issued by a ruler to gener...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 符號 : 1 （記號; 標記） character; sign; symbol; mark; code; notation; expression; denotation; sentinel ...
  1. With the development of the computer and the constantly expanding of it ' s applied domain, symbol computation present gradually powerful bioenergy. in this paper, using the computer algebra as the tool and the differential algebra as the background, we discuss the theory of " ac = bd " and the differential characteristic method and their application in the differential equations

    隨著計算機的發展和應用領域的不斷擴大，符號計算在數學領域中體現出了日益強大的生命力，本文就是以計算機代數為工具，微分代數為理論背景，討論了「 ac = bd 」理論及微分特徵列法的相關理論問題以及它們在微分方程組中的應用。
  2. Through chaos optimization method embedded into the genetic algorithm. the algorithm with the combination the advantages of the genetic algorithm and chaos optimization method which need not the optimal problem function ' s differential and promote the ability of the genetic algorithm ' s locally meticulous search can be obtained with the faster convergence and the greater probability for the global solution. a chaotic sequence is inserted into the search procedure of genetic algorithm, which can overcome premature of the search by genetic algorithm and the speed of convergence is faster than standard genetic algorithm

    對遺傳演算法進行了理論分析，並且研究了遺傳演算法的設計與實現；利用混沌優化方法不依賴于梯度信息的性質，將其與遺傳演算法相結合，提出了一種求解連續不可微函數優化問題的混合遺傳演算法；基於對于符號動力系統的研究，利用混沌序列的遍歷性，將混沌序列引入遺傳演算法中，提出一種嵌入哈爾濱工程大學博土學位論文一混飩序列的遺傳演算法，該演算法有效地克服了標準遺傳演算法中的早熟現象，並且具有更快的收斂速度。 」
  3. A symbolic computation method to decide the completeness of the solutions to the system of linear partial differential equations

    判定線性偏微分方程組解的完備性的一個符號計算方法
  4. The second part, with the aid of many types constructive transformation and symbolic computation ( especially wu algebraic elemination method ), some topics in nonlinear evolution equation are studied, including exact solution ( solitary solution, periodic solution, rational function solutions and jacobian function solution ), backlund transformation, cole - hopf transformation, dromion solution and its construction etc. charter 2 introduces ac = bd model and its application about partial differential equations

    第二部分以構造性的變換及符號計算特別是（吳代數消元法）為工具，來研究非線性演化方程中的一些問題：精確解（如孤子解、周期解、有理解和雅可比橢圓函數解（雙周期解）等） 、 backlund變換、 hopf變換， dromion解及衰變結構等第二章介紹了求解pdes的ac = bd模式及其在偏微分方程中的作用。
  5. Several examples and numerical simulations are shown to illustrate and reinforce our theory. in chapter 3, we firstly give both the definition of the discrete lyapunov functional and the proof of some properties of it for the dde with local positive or negative feedback in the delay term. secondly, we introduce the definition of the global attractor

    A6s藝fae藝在本文的第三章中，首先給出了對於一類時滯微分方程的用改變符號次數來定義的離散lyapunov泛函，並給出了其有關性質的理論證明，進而說明在時滯項具有局部正反饋或者局部負反饋條件下的時滯微分方程這樣定義lyapunov泛函的合理性，這是對前人在時滯項具有全局負反饋或者正反饋條件下的lyapunov泛函的推廣。
  6. A symbolic algorithm for computing the symmetry of differential equations and it s implantation

    計算微分方程對稱的符號演算法及其實現
  7. Finally, we study the ( 2 + l ) - dimension nonlinear dispersive long wave equation skillfully, we find the self - transformation between the two equations and turn the ( 2 + l ) - dimension nonlinear dispersive long wave equation into a simple ( 2 + l ) - dimension pde. then, with the homogeneous balance method we obtain the hopf - cole transformation between the ( 2 + l ) - dimension pde and the heat equation. through it, we obtain abundant exact solutions of the ( 2 + l ) - dimension nonlinear dispersive long wave equation with the matlab, including the multi - solitary wave solutions

    ） : = 0 . （ 2 ）巧妙的發現了（ 1 ）與（ 2 ）之間的自變換，將這個方程組轉化為一個簡單的偏微分方程，並利用齊次平衡法得到了此方程與熱傳導方程之間二維形式的物pf - cofe變換，從而藉助m胡ab的符號運算得到了2 + l維非線性色散長波方程包括多孤子解在內的多種新精確解。
  8. This paper lucubrates at the problems encountered when deducating the state equation of the system that contain nonlinear and differential causality, and solved the problems sucessfully with symbolic solution of algebraic equations offered by matlab

    本文深入研究了含有非線，慚口微分因果關系的系統推導狀態方程時遇到的問題，並結合matlab所提供的解符號代數方程組的辦法，成功的解決了這兩類問題。
  9. We call this method point - tree structure genetic programming algorithm ( ptgp ). this algorithm has been applied into symbolic regression and parameter identification. the results show that ptgp is a good method

    我們將這種演算法應用到間斷函數回歸問題（符號回歸問題）和間斷參函數識別問題（偏微分方程反問題）中，測試結果表明，點樹遺傳程序設計演算法能夠有效的識別間斷函數。
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