second order equation 中文意思是什麼

second order equation 解釋
二階方程
  • second : adj 1 第二的;第二次的;二等(的)。2 次等的;較差的;劣於…的 (to)。3 〈美國〉較年輕的。4 另一...
  • order : n 1 次序,順序;整齊;(社會)秩序,治安;狀況,常態;健康狀態;條理;會場秩序;議事程序,日程;...
  • equation : n. 1. 平衡,均衡;平均,相等。2. 【數學】方程式,等式。3. 【天文學】(時)差;均分,等分。4. 【化學】反應式。
  1. General solutions for a class second order inconstant coefficients differential equation

    一類二階變系數微分方程的解
  2. We reduce the cauchy problem of equations ( 8 ), ( 9 ) to an equivalent integral equations by the fundamental solution of a second order partial differential equation. then using the contraction mapping principle and the extension theorem of the solution we prove the existence and uniqueness of the global generalized solutions and the existence and uniqness of the global classical solution

    先是通過一個二階偏微分方程的基本解,把imbq型方程組歸) , p )的初值問題轉化為等價的積分方程組,然後利用壓縮映射原理、解的延拓定理等證明了歸) ,問的初值問題的整體廣義解和整體古典解的存在唯一性
  3. The specified solution formula derivation of second order non - homogeneous linear differential equation with constant coefficients

    二階常系數非齊次線性微分方程特解公式的推導
  4. In this paper, we study the finite iterated order of growth and the iterated convergence exponent of the zero sequence of nonzero meromorphic solutions of second order homogeneous linear differential equation, and obtain some precision evaluation

    摘要研究了二階齊次線性微分方程非零亞純解的迭代級與零點迭代收斂指數,得到了它們的精確估計。
  5. Some methods to find particular solutions to second - order constant coefficient inhomogenous linear differential equation

    二階常系數非齊次線性微分方程特解的一些求法
  6. This paper introduces three methods to find solutions to second - order constant coefficient inhomogenous linear differential equation, namely multinomial method, ascending order method and integration method

    摘要求二階常系數線性微分方程特解的方法雖然有許多種,但用多項式法、階數上升法、積分法求二階常系數線性微分方程的特解是比較簡便的。
  7. We consider a nonlinear differential equation periodic boundary value problems of second order which has proposed as a model for the periodic motion of a satellite in its elliptic orbit

    摘要本文考慮作為衛星繞橢圓軌道做周期運動模型的一個非線性微分方程的周期邊值問題。
  8. The general solution of a kind second order equation is given

    摘要給出一類二階變系數線性微分方程的通解。
  9. In this paper, we expand eigenvalue of poisson equation using bilinear element, by the formulation of the error expanition, we can conclude that it is a upper bound. and by two numerical example, we computer the approximate eigenvalue of poisson equation in square and l - shape domains, then we analyses the approximate eigenvalue. we also extraplate the error expansion and enhance the accuracy of the eigenvalue form the second order to the forth order

    本論文對poisson方程的特徵值採用雙線性元進行展開,得到了誤差展開式,通過誤差展開式,我們能得到特徵值是上界。通過數值算例,計算方形與l形區域上的poisson方程的近似特徵值,並對數據進行分析,驗證了理論的正確性,然後通過對誤差展開式外推,收斂級數可以從二階提高到四階,得到了高精度的解。
  10. Part 2 we consider the following second - order hyperbolic equation with a a uniformly elliptical operator independent of t

    第二部分:我們考慮以下二階雙曲型問題運算元a一致橢圓運算元且與t無關。
  11. The treatments simplifies greatly the solution programs which are often performed to solving non - homogeneous equation and second order differential equation on the thermal equilibrium and gradient relationship and the workload of numerical computation at same time

    這類方法大大簡化了人們在分析壓電熱彈性體耦合問題時通常要求解的非齊次微分方程和關于溫度的平衡方程和導熱方程的二階微分方程的繁瑣方法,同時,齊次狀態方程的提出大大減少了數值計算的工作量。
  12. Dynamic weighing system is as a second - order system and set it up model, then has its transform function laplace transform and z transform, at last has a formula that m is only relation to the system parameters. this article has system identified with the recursive least square ( rls ) method, and has the system parameters, while the auto - regressive - moving - average ( arma ) model for the second order weighing system is firstly derived. and has a equation which the mass is only correlation to the system parameters

    論文具體分析了定量稱量問題,首先是把稱量系統看作是一個二階系統,建立數學模后,進行拉普拉斯變換和z變換后得出一個質量僅與系統參數有關的關系式,從而把稱量問題轉化為一個系統參數識別問題來解決。通過編寫的程序來採集系統信號並進行處理(運用漸消遞推最小二乘法)對系統參數進行識別,從而得出稱量結果。
  13. The present findings of nonlinear research in frame structures, and the methods for design of second - order effect in the codes from china and other countries, were briefly introduced in this paper. the contents and methods of design and calculating about second - order effect in gb50017 - 2003 were discussed as well. a rotational displacement equation for geometric nonlinear structures was derived, and then a nonlinear finite element program for rigid frames was compiled by fortran

    本文簡要地介紹了框架結構非線性研究的現狀以及各國規范對框架二階效應的設計內容和方法;對我國《鋼結構設計規范》 gb50017 - 2003給出的考慮框架結構二階效應的方法進行了探討;推導了基於幾何非線性框架的轉角位移方程,在此理論基礎上用fortran語言編制了剛性框架二階內力分析的有限元計算程序,並用此結構分析程序對多種框架進行了一階和二階的彈性分析,討論了二階效應在框架分析中不應忽略的原因,同時分析了影響框架二階效應的因素。
  14. Oscillatory and asymptotic behaviour of unsteady second - order difference equation

    不穩定型二階差分方程解的振動性及漸近性
  15. An existence theorem of solution to boundary - value problem governed by second - order difference equation

    二階差分方程邊值問題的一個存在定理
  16. An integrable theorem of second order linear non - homogeneous differential equation

    一類二階變系數線性微分方程的積分因子解法
  17. A new solvable type of second order non - linear differential equation

    一類新二階變系數線性微分方程的可積判據
  18. We expand the eigenvalue of possion equation using wilson nonconforming element. by the formulation of the error expanition, we can not conclude whether it is a upper bound or a lowr bound. but we guess it is a lower bound, and by two numerical example, we find thatwe are right. we also extraplate the error expansion and enhance the accuracy of the eigenvalue from second order to third order

    通過數值算例,計算方行與l行區域上的poisson方程的近似特徵值,並對數據進行分析,驗證了我們的推測是正確的,然後通過對誤差展開式外推,收斂階數可以從二階提高到三階,得到了高精度的解。
  19. Positive solution of singular initial value problem of a second order equation

    一個二階奇異初值問題的正解
  20. The cauchy problem for a hyperbolic equation of second order equation with data on the parabolic line

    取值在拋物線上的雙曲型微分方程的柯西問題
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