function value 中文意思是什麼

function value 解釋
函數值
  • function : n 1 功能，官能，機能，作用。2 〈常 pl 〉職務，職責。3 慶祝儀式；（盛大的）集會，宴會。4 【數學】...
  • value : n 1 價值；重要性；益處。2 估價，評價。3 價格，所值；交換力。4 （郵票的）面值。5 等值；值得花的代...
  1. In this paper, two major types, the natural vegetation and crop vegetation in luota are studied. we can gain the different distributive area by remote sensing technology, in accordance with conifer forest, broadleaf forest, thick shrub forest, shrub forest, herbs shrub forest, herbs naked rock and crop vegetation. the valuation of the output of standing trees, water conserbancy, soil conserbation to control erosion and purify the air is the main basis which is used to value the functions of the forest ecosystem of the conifer forest and broadleaf forest of luotathe result reveal that the total ecological function value of the forest which area is 1388. 8 hm2 is estimated up to 18. 36 million yuan per annum. the synthetic valuation system of luota vegetation is put forward by the valuation of per hm2 in evergreen - deciduous forest, conifer forest, conifer and broadleaf forest, broadleaf forest, scatteredtree - shrub forest, coppice - shrub forest, herbs shrub forest, econamic crop and cereal crops. the plant resources is valued according to the ornamental and green plant. lumber trees and medical plant. ornamental plant includes hosta plantaginea. lilium brownii van viridulum, spiraea cantomiensis and so on. lumber tuees includes zzzelkova schneideriana, emmenopterys henryi, catalpa fargesii and so on

    本文把洛塔現存植被分為自然植被與栽培植被兩大類進行研究，通過遙感技術對現存植被按針葉林、闊葉林、密灌、灌叢、草灌、荒草裸巖、農作物植被等類型進行分佈面積的統計，在此基礎上，以林產品價值、涵養水源價值、保護土壤價值和凈化空氣價值作為估算的主要參考依據，對已成林的針葉林與闊葉林進行森林生態系統的價值估算，得出面積為1388 . 8hm ~ 2的針葉闊葉林的森林生態價值為1836 . 37萬元，參照這一生態價值量，把洛塔植被按常綠落葉林、針葉林、針闊混交林、闊葉林、疏林?灌叢、矮灌叢、荒草灌叢、經濟作物和糧食作物，以每hm ~ 2的價值量提出了洛塔植被的綜合價值體系。
  2. For all admissible uncertainties and possible controller gain variations, the desgined controller can guaranteed that the closed - loop system is asymptotically stable and the upper bound of cost function value is not more than a constant

    所設計的控制器對于所允許的不確定性和控制器增益的可能變化，能保證閉環系是統漸近穩定的且性能指標上界不超過某個常數。
  3. If some linear programming problem has optimum solution, then there must at least exist such a edge among ali edges passing through some known vertex of feasible region that the objective function value of the other vertex is more optimic than the one of the known vertex, otherwise, the known vertex is the optimum solution of the linear programming problem

    如果線性規劃問題有最優解，那麼過可行域的一已知頂點必至少存在這樣一條棱? ?它以該己知頂點為一端點，可行域的另一頂點為另一端點，並使目標函數在另一端點的函數值優於己知端點的函數值，否則，該己知點就是線性規劃問題的最優解。
  4. Is a constant, null, or a system function value

    可以是常量、 null或系統函數值。
  5. Appraisal of service function value of hainan island water ecosystem

    海南島水生態系統服務功能價值評價
  6. From labor value to function value

    從勞動價值到功能價值
  7. On the application of mathematical programming in the estimation of function value

    數學規劃在函數值估計中的一個應用
  8. This method allows an increase in the objective function value at some step, while retaining global convergence

    此方法允許目標函數值在迭代過程中在某些步可以上升。而保持其全局收斂性。
  9. Through multiple generation calculation, the minimum point of penalty function value was obtained, then the optimalc reduction distribution was found

    通過粒子群多代運算，求出罰函數值最小點，得到壓下負荷最佳分配點。
  10. Radial basis function network constructs many basis functions, according to the distances between the unknown style and the known styles, to generate the function value of the unknown style

    徑向基函數網路利用未知樣本與已知樣本間的距離構建多個基函數得出未知樣本處的函數值。
  11. Using the conic function model local approximation, w. cdavidon ( 1980 ) proposed a class of iterative algorithms with modified matrix combining function value, furthermore under the theory d. c. sorensen has used local quadratic approximation method, then applying collinear scaling idea improving on the above algorithm and generalizing it, getting a class of collinear scaling algorithm, unifying former quasi - newton. in the paper, using local quadratic approximation method, the first, constructing the new collinear scaling gene, getting a class of the new collinear scaling algorithm with briefness and numerical stability, ., we discusses some properties of the algorithm and its local linear convergence, q - superlinear convergence and the whole convergence ; secondly we have made numerical experimentation and numerical analysis ; the last, we have done much discussion for collinear scaling idea and given the several new collinear scaling algorithm

    本文的工作就是基於局部二次逼近原理，首先通過構造新的共線調比因子，得到了一類新的更簡潔，數值穩定性更好的共線調比演算法，進而我們給出了本共線調比演算法的局部收斂性，全局收斂性以及演算法q -超線性速度的理論證明；其次，用經典的無約束優化五大考核函數就本共線調比演算法進行了數值試驗和數值分析；最後，就局部二次逼近思想，進行共線調比演算法思想進行更廣泛的討論，給出了幾個新共線調比演算法。
  12. Based on this observation, we develop a newton - filter method in such a way that at each step, the method generates a point such that either the objective function value or its gradient descreases sufficiently

    此時，常用的線性搜索（如armijo搜索和wolfe搜索等）可能失敗。另一方面，不管目標函數的hessian陣是否正定， newton方向一定是目標函數的梯度的模函數的下降方向。
  13. Such methods are generally decreasing method, such as, feasible direction methods, constrained variable metric methods, etc. another class is sub - problems method, which approximates the optimal solution by solving a series of simple sub - problems, such as penalty function methods, trust region methods, and successive quadratic programming sub - problems, etc. the same property of two classes of methods is that they determine whether the next iterative point is " good " or " bad " by comparing the objective function value or merit function value at the current point and next iterative point

    另一類叫做子問題演算法，這種演算法是通過一系列簡單子問題的解來逼近原問題的最優解，如罰函數法、信賴域演算法、逐步二次規劃演算法等。這兩類演算法的一個共同特點是，通過比較當前點和下一個迭代點的目標函數值或評價函數值來確定迭代點的「優」或「劣」 ，若迭代點比當前點「優」則該迭代點可以被接受，否則須繼續搜索或調整子問題。
  14. A ptas is designed for the problem when the batch capacity and the number of machines are both constant. 1. definition and assumption definition l + o ( ) cost : each transformation potentially increases the objective function value by 1 + o ( ), we shall say it produces 1 + o ( ) cost

    在以下兩方面發展了brucker ， foto等人的成果，一是工件具有了到達時間和分批加工的復雜狀況，二是機器環境有單臺機器變為同型機，並給出了它的一個ptas演算法。
  15. Furthermore, in the conclusion, it states again its legal function, value orientation and practical significance of negtiorum gestio

    文章于結論部分再次就無因管理的制度功能、價值取向及現實意義等進行了概括論述。
  16. In section one, based on theory of n dimensional euclid space, a new method labeled as " pointlineplane " recycling optimization algorithm is proposed to solve the linear programming problem. this algorithm is proposed on the basis of the thought as follovvs : as for three dimensional euclid space, the feasible region of any linear programming problem is a extended convex polyhedron, of which surface is consisted of some planes, and its objective function can be regarded as a parallel plane pencil with objective function value acting as parameter

    第一部分內容是在n維歐氏空間理論的基礎上提出了一種求解線性規劃問題的新演算法? 「點線面」循環尋優法，本演算法是基於如下思想提出來的：我們知道，在三維歐氏空間中，線性規劃問題的可行域是一個由若干個平面圍成的廣義多面體，目標函數可以看作是以目標函數值為參變量的一個平行平面束。
  17. The total function value of the hvcb can be got through recursion operation with the unitary formula. the fuzzy comprehensive evaluation way based on the catastrophe theory, combining all kinds of parameter which indicate the circuit breaker status. it provide a new way for evaluationg the operation status of the hvcb

    基於突變理論的高壓斷路器運行狀態模糊綜合評估方法，將表徵高壓斷路器運行狀態的各種參數有機的結合起來，為高壓斷路器的運行狀況的綜合評估提出了一種新思路。
  18. From the perspective of the five customer perceived values, namely, the function value, societal value, emotional value, green value and perceived sacrifice, some marketing communication strategies are offered to enterprises and the government for compensating the externality of green consumer behavior

    並從功能價值、社會價值、情感價值、綠色價值和感知付出等五個消費者感知價值角度出發，為企業和政府補償綠色消費行為的外部性提出營銷溝通方面的策略建議。
  19. Fuzzy physical programming integrates the objective function with the corresponding variation of a design objective and calculates its preference function value. this is the point where fuzzy physical programming is superior to robust design, which considers the objective function value and the corresponding variation seperatelly

    模糊物理規劃將一個設計目標的目標函數及其容差綜合考慮並計算其偏好函數值，優于將目標值及其容差分開考慮的魯棒設計。
  20. 2 ) based on the invariability ( or approximate invariability ) of function value, we give out the definitions of intent reduct ( or approximate intent reduct ) and intent core ( or approximate intent core ) of concept node, investigate their properties in detail, and prove that the problems of computing them can be transformed into the problem of computing the minimal cover of a family of sets

    2 ）在函數取值不變性（或近似不變性）的基礎上，提出了概念節點的內涵縮減（或近似內涵縮減）和內涵核（或近似內涵核）的概念，詳細地研究了它們的性質，證明了它們的計算問題都可以等價地轉化為族集最小覆蓋集的計算問題。
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