nonconvex 中文意思是什麼

nonconvex 解釋
非凸。
如果在多邊形的平面上存在一條直線，它與多邊形的交點多與二個，則這個多邊形為非凸多邊形。

  1. Global weak entropy solutions for nonconvex scalar conservation laws with two - side boundary effect

    具有兩條邊界影響的非凸單個守恆律的整體弱熵解
  2. By the polygonal approximation method, a global approximation solution is constructed for the initial - boundary value problem of nonconvex scalar conservation laws with two - side boundary effect, and its convergence to the global weak entropy solution of the corresponding problem is proved

    摘要使用折線逼近法，對具有兩條邊界影響的非凸單個守恆律初邊值問題構造了整體近似解，並證明其收斂到初邊值問題的整體弱熵解。
  3. This paper consists of two parts. in the first part, a new branch and bound algorithm for minimizing the nonconvex quadratic programming with box constraints is proposed

    本文分兩部分，第一部分研究求解邊界約束非凸二次規劃問題的整體最優解的分支定界演算法。
  4. In this paper we construct a new interior - point homotopy method for solving fixed - point problem in nonconvex set, and prove the convergence under the weak normal cone condition ( see definition 2. 1 ( 2 ) ) and some proper conditions

    摘要本文構造了一個新的求解非凸區域上不動點問題的內點同倫演算法，並在弱法錐（見定義2 . 1 （ 2 ） ）和適當的條件下，證明了演算法的全局收斂性。
  5. The generalized quasi - newton method for nonconvex unconstrained optimization problems

    一般無約束優化問題的廣義擬牛頓法
  6. We solved multiobject nonconvex programming by means of homotopy - interior method and got the minimum weak effect solution under quasi - normal cone condition ; meanwhile we proved the convergence of this method

    摘要利用同倫內點演算法求解多目標非凸規劃在擬錐條件下的最小弱有效解，並證明了演算法的大范圍收斂性。
  7. A class of nonmonotone conjugate gradient methods for nonconvex functions

    一類適用於非凸函數的非單調共軛梯度法
  8. A series of examples illustrates the excellent performance of the techniques. in addition, two difficulties in efg, treating essential boundary conditions and approximations near nonconvex boundaries, are discussed

    另外，本文還討論了無單元法中的兩個難點：邊界條件的引入以及非凸邊界的處理，較好的解決了這兩個問題。
  9. Research on shape function of meshless method and influence domain of weighted function adjacent to nonconvex fields

    無單元法形函數及非凸區權函數影響域的研究
  10. Structure of the global weak entropy solution of nonconvex scalar conservation laws with boundary conditions

    具有邊界條件的非凸單個守恆律整體弱熵解的結構
  11. Construction of global weak entropy solution of initial - boundary value problem for nonconvex scalar conservation laws

    非凸單個守恆律初邊值問題的整體弱熵解的構造
  12. Realization of a front tracking method based on conservation for one dimensional scalar conservation law with nonconvex flux

    一種守恆型間斷跟蹤法在一維單守恆律方程非凸流上的實現
  13. But, the direct and effective methods for solving nonconvex systems of nonlinear inequalities are rare, especially, the methods combining optimization technique

    而非凸的不等式組直接有效的尤其是結合優化技術的演算法甚少。
  14. In this paper, we use covol - ume method to discrete second order norisyrnmetric and indefinite elliptic problem on a polygonal domain ( possibly nonconvex )

    本文用有限體積法離散多邊形區域（可能非凸）上的二階非對稱不定橢圓問題。
  15. In the design optimization of space equipment satellite systems, there are lots of discrete and integer design variables, the design space is nonconvex and even disjointed, and has multimodality. unfortunately, current mdo procedures or strategies have difficulty to deal with discrete or integer design variables, they are very sensitive to complex design space, have propensity to converge to local optima near the starting point, and can not handle multiple objectives effectively. to overcome these difficulties, this dissertation adopt the idea of coevolution to systematically develop new multidisciplinary design optimization methods based on decomposition and coordination

    論文以航天裝備體系及其它復雜飛行器系統的多學科設計優化（ multidisciplinarydesignoptimization ，簡稱mdo ）為應用背景，針對航天裝備衛星系統設計中存在大量離散和整數設計變量、設計空間非凸和不連通、具有多個局部最優點等特點和現有mdo方法過程難以處理離散和整數變量、對復雜設計空間非常敏感、易於陷入局部最優、不能有效處理多目標等缺陷，採用協同進化的思想，系統地進行基於分解協調的mdo方法研究。
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