optimal vector 中文意思是什麼

optimal vector 解釋
最佳向量
  • optimal : adj. 最適宜的;最理想的;最好的 (opp. pessimal)。
  • vector : n 1 【數學】向量,矢量,動徑。2 【航空】飛機航線;航向指示。3 【天文學】幅,矢徑。4 【生物學】帶...
  1. When traditional support vector machines separate data containing noises, the obtained hyperplane is not an optimal one

    使用傳統的支持向量機對含有噪聲的數據分類時,所得到的超平面往往不是最優超平面。
  2. In the chapter two we discussed that the server would first use speed - 1 to serve customers when the system entered the busy state from the empty state, but when the server found the number of customers in the system exceeded the thresh - n during serving, after finishing the service of current customer it would use speed - 2 to serve the next customer till there is no customer. by the method of supplementary variable, l - transition and constructing vector markov, we attained the distribution of the queue length, the distribution of wait - time, the distribution of stay - time, the utility and etc. in the last part of this chapter, we discussed the optimal n * for thresh n which minimizing the cost function and we illustrate the cost function behaves for various parameter selections by a numerical study

    在本文第二章討論了當系統從空閑進入忙期時是服務臺以速度1進行服務,但一旦對某顧客服務完畢時如發現系統中的顧客數超過n值時就以速度2服務后續顧客直到系統變空的可修排隊系統,通過構造各種向量馬氏過程和吸收向量馬氏過程,獲得了瞬態、穩態隊長分佈、等待時間分佈、逗留時間分佈、更新周期分佈等一系列排隊指標以及可用度、可靠度等一些可靠性指標,在本章最後又從系統如何更好節省費用角度出發討論了門限n的最優取值問題,並利用mathematic軟體對費用函數進行了數值模擬。
  3. This algorithm easily escapes from local optimal solution, have high searching efficiency, simple structure, convenient use. aiming at iteration, optimization and matlab optimization toolbox having low precision and difficulty to choose initial vector on acquiring nonlinear equations ’ solutions, equations ’ solution problem is translated into genetic algorithm optimization problem. nonlinear equations ’ usual genetic

    針對迭代法、最優法、 matlab最優化工具箱求解非線性方程組中存在求解精度不高及初始矢量難選等問題,將方程組求解問題轉化為遺傳演算法函數優化問題,建立了非線性方程組通用的遺傳演算法解法,並將其用於汽車滑行試驗數據處理中。
  4. The error criterion is derived from rotation vector concept directly. in the coning motion environment, a class of rotation vector optimal algorithms are derived and evaluated with the rule of making sure of the minimum coning error. 3

    從旋轉矢量的概念出發,推導了演算法的精度準則,在典型的高動態環境? ?錐運動作為輸入條件下,以使錐誤差最小為原則,推導了旋轉矢量各階子樣演算法及其優化演算法,並與傳統的四元數演算法進行了比較; 3
  5. Conditions of normal mode realization are deduced and optimized model with the multivariate mode indicator function as the target function is built. through solving the maximal eigenvalue problem, the original shaker force vector of appropriation is reached. then the realization approach of the optimal shaker force vector based on single shape principle is proposed and at the same time the automatization of normal mode appropriation is realized

    對于模態物理分離技術的多點正弦激振純模態試驗技術,尋求其最佳激振力矢量是最為關鍵的環節,本文先推導出純模態實現的條件,建立以多變量模態指示函數為目標函數的優化模型,通過求解最大特徵值問題,得出適調純模態的初始激振力矢量,再提出以單純形原理為基礎的最佳激振力矢量的實現方法,同時也實現了純模態適調過程的自動化。
  6. The final results obtained in this paper contained that the optimal interpolation scheme highlighted by the covariance that the correlation between different time and the correlation between different place being considered ; that the simplification of kalman filter with the singular - value decomposition ( svd ) and the direct construction of state transition matrix pfeceded with " inverse vector expression " ; and that the analysis of t / p data and its blending with theoretical model

    這些成果包括:建立考慮了時間相關的方差矩陣和時空相關的最優插值演算法;對卡爾曼濾波演算法進行了svd簡化以及建立了顯式的狀態轉移矩陣;將t p實時衛星數據進行調和分析並與數值模型進行同化處理。
  7. The method is firstly applied to solve the linear convection - dominated diffusion problems and the optimal l2 - error estimates of the unknown function c and the vector flux p are gained

    此方法首先被用於求解線性對流擴散問題,得到了關于未知函數c及伴隨函數p的最優l ~ 2誤差估計。
  8. Order numbers for vehicles to freight were got by particle position vector, single vehicle route was got by aco, and then evaluated and filtered particales according to optimal vehicle routes, circulated until terminate qualification

    由粒子群演算法的粒子位置向量得到每輛車所需運送的訂單號,用蟻群演算法優化單車路徑,根據優化的總路徑評價和篩選粒子,直到滿足終止條件。
  9. Optimal predictive control to damp oscillation for linear time - delay systems with external sinusoidal disturbances is considered in chapter 4. a full - order state predictive observer for time - delay systems by using the control vector and the predictive output vector of the controlled plant is structured

    利用構造預測模型得到的被控對象預測輸出向量和系統的控制向量,設計一種全維狀態預測觀測器,並將該狀態觀測器用於時滯控制系統的最優前饋-反饋預測控制中。
  10. In dtc system, the concept of space vector is introduced to analyze and control the ac motor, the electromagnetic torque and flux are calculated and controlled in the stationary coordinate, and the optimal pwm gating signals are generated to control the inverter to acquire high dynamic torque according to the output of the bang - bang regulators

    直接轉矩控制採用空間矢量的概念來分析三相異步交流電動機的數學模型和各物理量,直接在靜止坐標系下計算與控制交流電動機轉矩和磁鏈,藉助于離散的兩點式調節產生pwm信號,直接對逆變器的開關狀態進行最佳控制,以獲得轉矩的高動態性能。
  11. By solving iterative the sequences, the optimal control law is obtained which consists of analytical linear feed - forward - feedback terms and a nonlinear compensation term, which is the limit of the adjoint vector sequence

    通過迭代序列得到的最優撫動抑制控制律由解析的線性前饋反饋項和序列極限形式的非線性補償項組成。
  12. Because the algorithm of support vector machine is a convex quadratic optimization problem, the local optimal solution is certainly the global optimal one

    並且,由於支持向量機演算法是一個凸二次優化問題,能夠保證找到的極值解就是全局最優解。
  13. For the quasi - newton type trust region method based on the conic model solving unconstrained optimization, horizon vector of the conic medel is proposed, the unique optimal parameter is determined and the numerical results are given in this paper

    摘要對于求解無約束優化問題的錐模型擬牛頓型信賴域方法,本文主要討論了水平向量的選取及最優參數的確定,並給出了數值試驗結果。
  14. While flda only can get one optimal discriminating vector, by maximizing the fisher criterion, due to that the rank of the between - class scatter matrix is at most 1 for binary - class problem

    但類間離散度矩陣的秩最大隻能為1 ,決定了flda只能取一個判別方向(最大特徵值對應的特徵向量) ,無法利用其它方向的判別信息。
  15. Two multi - objective optimal problems are solved by using the proposed algorithm. the numerical results demonstrated that the proposed algorithm is a robust vector optimizer for engineering multi - objective design problems

    最後將該演算法運用於一個變頻調速系統中輸入濾波器的電感線圈尺寸優化,證明該方法可以有效地運用於變頻調速系統的電磁兼容設計。
  16. Thanks to the support of the national natural science foundation of china under grand no. 50277036 for " the pulse electromagnetic fields and system - level em radiation of electric vehicles ", this thesis concentrated on the design of the variable voltage and variable frequency ( vvvf ) system and the development of a genetic algorithm for vector optimal design problems. the work includes mainly four parts : a brief introduction of the frequency - converter, the emc design of the vvvf system and the national standard of the electromagnetic interference of the vvvf system, the study of global search optimization algorithms, and an improved genetic algorithm called emigration genetic algorithm for multi - objective optimal problems

    在國家自然科學基金資助項目《電動汽車脈沖電磁場與系統級輻射的研究》的工作基礎上,本文對電動車電磁輻射關鍵部分? ?變頻調速系統的電磁兼容性設計以及在電磁兼容性設計中涉及到的電磁系統的多目標優化方法進行了系統的分析和研究,其核心內容包括:變頻器工作原理;變頻調速系統電磁兼容性設計及變頻調速系統電磁兼容標準;隨機類全局優化演算法研究;提出了一種改進的遺傳演算法命名為遷徙遺傳演算法。
  17. In this paper, we consider the optimal parameter vector a of the modified incomplete gauss _ seidel method ( migs ). we prove that the spectral radius function of the iterative matrix t of migs with parameter vector is strictly monotonic decreasing with respect to a satisfying 0 e if the classical gauss _ seidel method converges for a z _ matrix. some properties of the left and right eigenvectors corresponding to the largest eigenvalue in modulus are given, too. these results are useful to find an optimal parameter for migs

    目前主要的方法有兩類:一是充分利用所給矩陣a的特點,採用適當的主元素選取策略,使分解出的因子盡可能地保持稀疏性;二是迭代法。對于第二種方法,迭代矩陣的選取具有決定作用。只有選取的迭代矩陣的譜半徑小於1才能保證迭代法收斂。
  18. The distribution gis data management methods and its application in distribution running are systematically researched, which compose distribution gis network topology analysis ( nta ) and optimal rush - maintain path ( orp ), and distribution planning, which composes distribution spatial load forecasting ( slf ) : ( 1 ) with systematic analysis on the relationship between spatial data model and spatial data structure, the distribution feature and the two common gis data models are analyzed, which are vector and raster data models. then the conceptual and logic data models of distribution gis are designed. the spatial data storage structure is given by using vector method, and their detailed data management methods are proposed

    ( 4 )將gis的空間信息分析功能應用於配網空間負荷預測( saptialloadforecasting , slf )的研究:綜合利用灰色理論及遺傳規劃的優點,提出了一種根據饋線的歷史峰值負荷進行外推的組合slf法:首先採用負荷轉移耦合法來修正負荷歷史,消除由於負荷轉移引起的誤差;然後根據實際饋線路徑和配網gis圖形分層,運用圖層疊加分析得到饋線的實際供電范圍;接著採用灰色關聯度聚類方法對饋線負荷增長曲線進行聚類分析;最後採用遺傳規劃來對灰色聚類結果進行符號回歸,分別得到每一類曲線的最佳擬合曲線形式。
  19. This paper also optimizes the support vector machine ( svm ) parameters and controller scale coefficients based on genetic algorithms ( ga ), in order to get the optimal performance of the controller

    利用遺傳演算法來優化支持向量機參數和控制器比例因子參數,以期實現最優的控制性能。
  20. From the mapping relationship between information vector matrix and relative vectors, rough approximation, attribute relative reductions and selecting optimal attribute reductions set algorithms based on binary vector matrix were proposed

    摘要根據向量矩陣與向量之間的映射關系,研究了基於二元向量矩陣演算法的粗糙近似、屬性約簡以及最優屬性約簡集的獲取。
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