擬線性方程 的英文怎麼說

中文拼音 [nǐxiànxìngfāngchéng]
擬線性方程 英文
quasi linear equation
  • 擬 : 動詞1. （設計; 起草） draw up; draft 2. （打算; 想要） intend; plan 3. （模仿） imitate
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 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...
  • 線性 : [數學] [物理學] linear; linearity線性代數 linear algebra; 線性方程 linear equation; 線性規劃 line...
  1. Existence of solutions for quasilinear elliptic equations

    擬線性方程解的存在性
  2. A linear equation set can be solved by means of least square method, thus the form errors of the flat mirror under test can be obtained and the form of the flat mirror can be fitted

    利用最小二乘法求解一組過定線性方程組，求得被檢平面鏡的面形誤差，擬合出被檢平面面形。
  3. Haken, the founder of synergetics, has used the oscillations of the parameters, which were called attention parameters in his nonlinear equations, to explain oscillations of perception. we introduce a logistic map subsystem to the art to create a vigilance - controllable mechanism. via it, the human ' s multi - fold ambiguous perception is successfully simulated. with the reciprocal development for decades in artificial intelligence ( ai ) and ann, the join up between them has become a great trend

    協同論創始人haken的理論將多義感知現象用非線性方程注意參量的振蕩來解釋感知振蕩，我們提出用邏輯斯諦映射子系統來產生art注意參數振蕩，從而成功地實現了用art模擬認知的多義感知現象，這也為art提供了一種控制與調節注意參數的機制。
  4. Some properties of the solutions to a quasilinear problem

    一個擬線性方程解的性質英
  5. It presents a mathematical heat transfer model of air and soil temperature in greenhouse basing on the theory of transmission of heat. the model calculates the heat diffuse coefficient of soil by difference method and establishes regression equation on experimental data by sas

    基於傳熱學的熱傳導方程，利用測試的地溫數據，選用差分法計算了土壤熱擴散率，應用sas軟體擬合了非線性方程，建立了日光溫室土壤溫度場的數學模型。
  6. Abstract : the purpose of this paper is to investigate the decay behavior and dynamics of a quasilinear partial differential equations with nonlocal boundary conditions which is motivated by model problems, arising from quasi - state thermoelasticity, etc. by constructing an upper solution of the problem, a decay estimate for the solution is obtained

    文摘:本文討論一類源於擬靜態熱彈性力學和控制理論等領域的邊值問題，通過構造適當的上下解得到擬線性方程解的衰減估計
  7. We transformed the nonlinear equation of the light - wave envelope in lossy dispersion - managed optical fibers and obtained numerical curve of the equation with the use of mathematical software, then the approximate solution was found by fitting of the curve, also the envelope propagation of the quasi - soliton was analysed

    摘要對有損耗的色散光纖中光波包絡的非線性方程進行變換，藉助數學軟體得到非線性方程的數值曲線，並通過對曲線的擬合得到方程的近似解，對色散管理類明孤子的傳輸進行了分析。
  8. However, this is depend on the accurate simulation on nonlinear transient electromagnetic field, which relate with many aspects, include transient theory of machine, numerical calculation method, solving nonlinear equations, fem mesh generation and so on

    但是，這首先要依賴于對電機非線性瞬態過程的準確模擬，涉及到從電機的瞬態過程理論、數值計算方法、乃至非線性方程組求解和有限元剖分等多方面的問題。
  9. In this paper a numerical method for equations of transport and biodegradation in the fractured media is discussed. because the equations consist of terms related to advection, diffusion, biochemical as well as the term of exchange betwen the fracture and the porous media, it is very difficult to find their solution. in order to find more efficient method for solving these equations, several numerical methods for the equations without biochemical terms are discussed first. the numerical results show that the cubic spline method can be used to solve advection flow dominated problem which often occurred in the fractured media. then, the equation with both advection - diffusion term and biochemical term are discussed. the splitting - operator is used to decouple the advection and diffusion terms with biochemical term in the equations. the way to determine the smaller time step for solving fast biochemical terms is introduced through comparing the order of characteristic time of biochemical term with that advection ( diffusion ) term. numerical simulation results show that good agreement between analytical solution and experiment result is attained

    本文討論了含裂隙介質地下水污染物輸運與生物降解非線性方程組數值求解方法.方程含有對流項、擴散項、生長、死亡、吸附、解吸、趨化和孔隙與裂隙介質界面間的交換項的非線性偶合，使演算法十分困難.本文討論了無生化過程時的幾種求解方法，數值結果表明：用三次迎風插值法對常見的對流項占優勢，且場變量有較大梯度的問題較適用.在討論有生化反應過程時，利用對流項與生化反應項的特徵時間量級估算，給出了求生化過程作用子步的時間步長估算辦法.用上述方法所得到的模擬結果與解析解、無化學反應和有化學反應的實測值對比，吻合很好
  10. Blow - up blow - up of solutions of initial value problem for nerve conduction type equation

    一類擬線性方程組的可解性
  11. The deflated restarted total minimization backward perturbation method ( drtminback ) is presented. when solving the nonsymmetric linear systems, the paper makes the total backward perturbation analysis to qmr method, and uses the total quasi - minimal backward perturbation ( tqmback ) technique. so the restarted total quasi - minimal backward perturbation ( rtqmback ) method is given

    同樣地，對求解非對稱線性方程組的qmr方法作出了向後擾動分析，結合總體向後擾動范數擬極小化的技巧，給出了求解非對稱線性方程組的總體擬極小向後擾動（ tqmback ）方法。
  12. With the development of morden aero - propulsion system, the simulation technology has became one of the most important means in aeroengine design. aeroengine nonlinear mathematical models, as the basis of engine performance simulation, are not convergence favorably in entire flight scope, because of the solution limitations of nonlinear equation and the engine balance equations

    作為數值模擬的基礎與核心，目前廣泛應用的發動機非線性數學模型，由於平衡方程各種迭代解法與模型中非線性方程解法的不足，因而從根本上沒有解決模型在整個包線范圍內的收斂問題，極大地制約了發動機數值模擬技術的發展。
  13. Use activex control we construct the interface of high - strength concrete expert system. discuss the equation model that the need fitting arguments reference to in this system, corresponding linear fitting algorithm " s reasoning and implementation. implement the generic algorithm of the linear equation with template idea nested

    從應用的角度出發，通過使用數理統計中介紹的值估計方法與線性方程組求解實現參數擬合，並探討了基於泛型演算法的線性方程組求解，將數理統計、線性方程組求解和模板思想有機地結合在一起。
  14. In forth chapter, several difference methods that are suitable for solution of quasilinear equation are presented, namely, one step lax - wendroff scheme, two step lax - wendroff scheme, mac cormark scheme, tvd scheme, harten tvd scheme with two - order precision. all of them are applied to simulate the same traffic - flow question and choose the best scheme under the consideration of their results. in fifth chap ter, power function traffic - flow model and harten tvd scheme with two - order precision are applied to simulate red - green signal traffic - flow, including isolated, synchronous and synchronous changing red - green signal case

    在第4章中，給出了適于求解擬線性方程的幾種差分格式，即一步lax - wendroff格式、二步lax - wendroff格式、 maccormark格式、一階tvd格式、 harten二階tvd格式，並用上述5種格式對同一簡單的交通流問題進行了數值模擬，利用數值結果，篩選出最適合求解具有強間斷特性的交通流問題harten二階tvd格式。
  15. This paper implements differential formation of quasilinear differential equations, furthermore lumped equivalent circuit mode at boundary and constraints between voltage and current have been incorporated to find boundary conditions. because partial differential equations can transform into ordinary differential equations, it transforms telegraph equations into ordinary differential equations

    本文根據偏微分數值解理論應用一階擬線性方程的差分格式，並根據電壓、電流在始端、終端上的約束關系，運用傳輸線集中參數的等效模型確定邊界條件；最後模擬計算得到響應波形。
  16. Comparing to linear equtions and quasilinear equations without degeneracy, such equations, to a certain extent, reflect even more exactly the physical reality. therefore, studying the optimal control problem of such equation is more important for practical use

    與線性方程和不具退化性的擬線性方程相比，這類方程更能反映某些物理實際，因此研究由這類方程支配系統的最優控制問題更具有現實意義。
  17. Two properties of preconditioned aor iterative methods for linear systems

    一類二階擬線性方程三點邊值問題正解的存在性
  18. Decay estimates for solutions to a quasilinear nonlocal boundary conditions

    擬線性方程非局部邊值問題解的衰減估計
  19. In this thesis, ga is initially applied to aeroengine nonlinear mathematical model, the author designs ga ga act as the base of newton - raphson ( mixed algorithm 1 ) and ga alternating with newton - raphson ( mixed algorithm 2 ) three kinds of aeroengine balance equation solution methods. 8. the theoretical analysis and performance simulation results show that the aeroengine nonlinear mathematical mode not only can maintain the same efficiency with current model, but also can achieve convergence in entire flight scope when balance equation solved in mixed algorithm 2

    理論分析與模擬結果說明，採用遺傳演算法與牛頓-拉夫遜法混合的平衡方程求解方法（混合演算法二） ，既能保持牛頓-拉夫遜法的高計算效率，又具有遺傳演算法全局收斂的優點，在模型計算效率基本不變的情況下，徹底突破了常規的發動機平衡方程與模型中非線性方程解法的局限，實現了模型在整個包線范圍內的收斂。
  20. Simulations have shown that the advantage of new guidance law, and the analytical solution based on linearization and the numerical solution of the nonlinear equations show agreement, avoiding the complicated solution of the optimal terminal guidance for space intercept

    將非線性方程得出的數值解和這種導引律的解析解相比，模擬表明這種方法的解析解與數值解一致，且避免了最優制導復雜的解析結果。
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