quadratic differential 中文意思是什麼

quadratic differential 解釋
二次徽分
  • quadratic : adj. 1. 【數學】二次的。2. 方形的。n. 1. 【數學】二次方程式；二次項。2. 〈pl. 作單數用〉【數學】二次方程式論。
  • differential : adj 1 差別的，區別的；特定的。2 【數學】微分的。3 【物、機】差動的，差速的，差示的。n 1 （鐵路不...
  1. The limit cycles for type equation of quadratic differential systems

    類方程的極限環
  2. By using the method of qualitative analysis, phase portraits for a class of quadratic differential system are investigated. nine phase portraits are found and shown for this system

    用定性理論方法研究了一類二次微分系統的相圖，得出該類系統的相圖共有9種，並且給出了這9種相圖
  3. In this dissertation, we study the global topological classification and coefficient conditions of the plane homogeneous fifth polynomial differential system the main techniques used in this thesis includes the methods of the global structure and coefficient conditions of the plane homogeneous quadratic and cubic system mentioned in the paper [ 1 ] of professor ye yanqian, and the paper [ 2 ] of professor li xue min, also includes the idea to high - order critical point of professor zhang zhifen, lu yulin and han yuliang etc. due to the degree of polynomial in the right of equal - sign crease, when we discuss the global structure, the more special directions, the more difficulty in drawing phase portraits of this system

    本文主要討論一類平面齊五次多項式微分系統的全局拓撲結構及系數條件。借鑒了文獻[ 1 ]葉彥謙教授對平面齊二次系統的全局結構及系數條件和文獻[ 2 ]李學敏教授對平面齊三次系統的全局結構及系數條件的研究方法，同時綜合了張芷芬教授、陸毓麟教授、韓玉良教授等人對高次奇點的研究思想進行討論。這樣，由於等號右邊多項式次數的增加，討論系統的全局結構時，可能出現的特殊方向就會增加，在作全局相圖時，難度增大了。
  4. Bifurcation problem of a quadratic differential system with distribution of lc ' s

    分佈的二次微分系統的分支問題
  5. On the reflective function and the periodic solution of the second order differential quadratic systems

    二次微分系統的反射函數及其周期解
  6. Quadratic integrability and boundeness of solutions about a class of second order time lag differential equation

    二階滯后型微分方程解的有界性與平方可積性
  7. The bifurcation problems of type equation of quadratic differential systems

    類方程的分支問題
  8. Some intrinsic metrics in differential manifolds, such as cara - theodory metrics and kobayashi metrics in complex manifolds, are finsler metrics. finsler metrics is just riemannian metrics without quadratic restriction, which was firstly introduced by b. riemann in 1854. the geometry with finsler metric is called finsler geometry

    Finsler度量是沒有二次型限制的riemann度量， riemann在1854年的就職演說中已經涉及了這種情形。以finsler度量為基礎的幾何學被稱為finsler幾何。
  9. When solving the problems, we use the support vector regression ( svr ). first assuming the formula of function, then according to the differential and boundary conditions we transform the original problem to the quadratic programming problem. finally, use the learning algorithm of svr to decide the parameters

    只要事先假設出所求函數的表達式，然後根據已知的微分關系和邊界條件對待求函數進行約束將原問題轉化為二次規劃問題，再採用支持向量機回歸演算法對樣本進行學習即可求出參數，確定待定函數的關系式。
  10. A note on existence of limit cycles of type equation of quadratic differential systems

    類二次系統極限環的惟一性
  11. The almost periodic solution to quadratic differential equations with almost periodic coefficients

    二次概周期系數微分方程的概周期解
  12. Solutions of three new second - order quadratic differential equations and their general solution formula

    新三類二階二次微分方程的解法及其通解公式
  13. Third, this thesis thoroughly had also studied the three - dimensional differential game guidance law. the first - order differential game guidance law expression was inferred based on the linear quadratic differential game theory, the simulation results showed that this differential game guidance law is correct and effective

    接下來，本文還深入研究了三維微分對策制導律，在線性二次型微分對策理論的基礎上推導出一階延遲環節三維微分對策制導律表達式並通過模擬計算得到驗證。
  14. Abstract : in this paper, the nonlinear optimal control problem connected with the ordinary differential system is considered, two modifications to the standard gradient procedures are constructed. the presented methods are based on the qualitative approximations of the cost functional. for linear - quadratic problems, the modifications have the property of the nonlocal improvement in contrast to the standard gradient procedures. some results relating to the convergence of the new methods are proved

    文摘:討論非線性最優控制問題構造的標準梯度方法的兩種改進方法.文中的方法是以罰函數的有效近似為基礎，與標準梯度方法相比，該方法對于非線性二次問題具有非局部的特點，同時給出相關收斂結果
  15. Unicity differential identity and asymptotic property of quadratic pad 233 ; approximation of the exponential function

    二元二次對角逼近的代數性質
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