非負函數 的英文怎麼說

中文拼音 [fēifùhánshǔ]
非負函數 英文
nonnegative function
  • 非 : Ⅰ名詞1 （錯誤） mistake; wrong; errors 2 （指非洲） short for africa 3 （姓氏） a surname Ⅱ動詞1 ...
  • 負 : Ⅰ名詞1 （負擔） burden; load 2 （虧損） loss 3 （失敗） defeat Ⅱ動詞1 [書面語] （背） carry on th...
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. In chapter 3, we will estimate the first eigenvalue of laplacian from below on manifolds with a little negative curvature. in chapter 4, we will prove the existence of bounded nontrivial harmonic functions on some classes of complete manifolds which will generalize the results of s. y. cheng ' s

    在第三章，我們將給出具有小負曲率的流形上laplace運算元的第一特徵值的下界估計；第四章，我們會給出一類完備非緊流形上非平凡的有界調和函數的存在性，推廣了s . y . cheng的結果。
  2. We make the following assumption for when 2 is positive definite matrix, different estimators about matrix of regression coefficients and inefficiency of least squares estimate have been discussed in many documents. considered 2 is nonnegative definite matrix, this thesis derives best linear unbiased estimate of parameter matrix b and estimable parameter function kbl under the meaning of matrix nonnegative definite and the property of maximum probability of blue is investigated. next, we discuss some necessary and sufficient conditions of the equality of the lse and blue, then we derive the estimation of the deviation bet - ween the least squares and the best linear unbias estimators of the mean matrix, meanwhile a relative efficiency of lse ofb is proposed and its bound is given

    當0時，眾多文獻討論了回歸系數陣的各種估計及lse的有效性，本文考慮了當0的情形，給出了回歸系數陣b及其可估參數函數kbl的在矩陣非負定意義下的最優估計（ blue ） ，研究了它的一個最大概率性質，並且討論了最小二乘估計成為最佳線性無偏估計的充分必要條件，在此基礎上給出了均值矩陣的最小二乘估計與blue的偏差估計，定義了lse相對于blue的一個相對效率，並給出了它的界。
  3. Taking load uncertainties, infeasibility problem and multiple objection of the reactive power optimization in the radial distribution system into consideration, loads are modeled as fuzzy interval numbers. fuzzy power flow is proposed based on fuzzy interval load for the more practical membership function of line losses rate and maximal voltages offset. this thesis presents multiple objection model of the reactive power optimization considering uncertainties using the fuzzy set theory

    對配電網電壓無功優化問題中負荷的非概率性的不確定性問題、多目標問題、約束不可行性問題進行了研究，用模糊區間來描述實際的負荷情況，並用負荷的模糊區間值計算配電網的潮流，得到有功功率損耗和電壓的模糊區間值，使網損率和節點電壓最大偏移量的隸屬函數更接近實際情況；將改進遺傳演算法與模糊集理論相結合，通過求解多目標函數和約束條件的模糊集合的交集，得出網損率和節點電壓最大偏移量最小的最優運行狀態。
  4. Chapter 3 consider the initial - boundary value problem utt - where q is a bounded demain in rn with smooth boundary 3q ; with m ( s ) is a nonnegative c1 - function for s > 0 satisfying with we show that under certain conditions the solution blow up in finite time. chapter 4 consider the initial - boundary value problem and < ? > 2. we show the decay rate of the solutions of the equation

    第三章我們考慮了定義在具有光滑邊界的有界區域上的kirchhoff型方程初邊值問題其中0 ， r ， p 1 ， q 1 ， 1 ；當s 0時， m （ s ）是空間c ~ 1中的非負函數，且滿足其中， 0 ， 2這章我們給出了上述方程解的有限時刻爆破條件。
  5. But modern electrohydraulic servo systems have obvious nonlinear characteristics and often are required to have the ability to trace any curve function and endure relatively big outer disturb. so the working dot of the system changes greatly during the working process, which makes the linear model inapplicable

    然而電液伺服系統中存在著明顯的非線性特徵且近代電液伺服系統往往要求系統具有點點跟蹤任意非直線函數的能力並能夠承受較強的外負載干擾，因此工作過程中系統的工作點在較大的范圍內變化，從而使增量線性化模型難于奏效。
  6. Throughout the following of this section, e denotes a real banach space and p is a cone in e. in chapter, a new three - solution theorem is obtained. moreover, the famous amann ' s and leggett - williams " three - solution theorems in nonlinear functional analysis can be seen as its special cases, namely they are united. so they are improved. the main results can be stated as the following : let d be a nonempty bounded close convex subset in e, and nonnegative continuous functional on d. and is concave while is convex. suppose 0 < d and denote

    首先我們約定，在下文中， e是實banach空間， p是e中的錐。在第一章中，我們利用錐理論與不動點指數理論統一了著名的amann三解定理與leggett - williams三解定理。主要結論是：設d是e中的非空有界閉凸集， ，是d上的非負連續泛函，且是凹泛函，是凸泛函。
  7. The engendering source of traffic volumes and their general influential factors have been presented, and the situation of nowadays highway transportation has been discussed. according to the introduction of traffic distribution theory and classical assignment method, analysis of traffic flow path selection among cities and that of special influential factors for traffic flow on toll highways, initial analysis to the forming mechanism of traffic volume on road sections has been made, and a probability model for path selection has been set up with the maximum - utility theory and disaggregating model. detailed analysis to impedances on road sections and their functions ( especially to three main composing factors of the impedances as cost of time, transport and toll and to the functional relations with traffic loads ) was made, at the same time, the relative cost calculating model was set up on the basis of the state - of - art achievements in both international and national researches

    主要研究內容包括：交通量的產生根源及一般影響因素分析和當前公路運輸地位討論；從交通分配理論及經典配流方法著手，通過分析城市間交通流路徑選擇行為和收費公路路段交通量特殊影響因素，初步提出路段交通量的形成機理，並採用效用極大原理和非集結模型理論（ disaggregationmodel ） ，建立用戶出行路徑選擇概率模型；對路段阻抗及路阻函數（尤其對行程時間費用、車輛營運費用和道路收費這三個構成路段阻抗的主要因素及其與交通負荷間的函數關系）進行較為詳盡的分析，並以現階段國內外較為先進的研究成果為依據建立相應的成本測算模型，其中，特別提出了兩種確定客貨車輛時間價值的分析方法；離散分析法和時間-費率轉換法，後者是在目前基礎調查、統計數據資料不夠齊全的現實下提出的一種確定道路系統內務車型時間價值的較為實用的新方法；對我國公路收費政策的背景和理論、實踐依據及費率的各種影響因素進行重點分析；從數學的角度證明合理費率的存在性，並以最優化理論為基礎，建立在普通收費公路和擁擠路段交通調控型收費公路兩種模式下合理費率的計算模型等。
  8. At the fixed temperature level, both the permeability and hydraulic conductivity of sandstone decrease with the increasing effective stress, following the law of negative exponent. at the fixed effective stress level, however, the function between hydraulic conductivity and temperature is not a monotone one

    在溫度一定的條件下，砂巖的滲透率和水力傳導系數均隨有效應力的增加而呈負指數規律減小，但在有效應力一定的條件下，水力傳導系數與溫度之間的關系函數並非單調函數。
  9. The bivariate poisson models of contingent claim times about the homogeneous portfolios are studied, and an independent condition of the two variables is proved, and then the mixed bivariate poisson models of contingent claim times about the heterogeneous portfolios with dependent risks are studied, and the last, the optimum bms formula about the heterogeneous portfolios with dependent risks are reached

    研究了同質風險相依條件下的二元poisson索賠次數模型，得到了二元poisson索賠次數模型獨立的充分必要條件同時研究了非同質風險相依條件下二元混合poisson索賠次數模型，得到了相應的非同質風險保單組合的索賠次數模型為雙變量負二項分佈的概率函數在此基礎上將保險精算中的最優bms由獨立情形推廣到了風險相依的情形，並得到了相應的最優bms的計算公式。
  10. In chapter l, we introduce the relative background on this paper and give some simple expressions of the work which have been studied. in chapter 2, in virtue of the notion of likelihood ratio the limit properties of the sequences of dependent nonnegative continuous random variables are studied, and a class of strong limit theorems represented by inequalities are obtained. the bounds given by these theorems depend on positive constant c. in chapter 3, by means of the notion of log likelihood ratio, a kind random strong deviation theorem are obtained, and the bounds given by these theorems depend on r ( )

    第一章，介紹本論文的選題背景，對已有的工作進行扼要的介紹；第二章，利用似然比的概念研究相依連續型非負隨機變量序列的極限性質，得到一類強偏差定理，其偏差界依賴于正常數c ；第三章，利用對數似然比的概念得到一類隨機偏差定理，其偏差界依賴于r （ ） ，證明中引進了尾概率和尾概率的laplace變換的概念；第四章，利用對數似然比的概念，得到了一類關于任意連續型隨機變量序列的泛函的強偏差定理。
  11. A normalized mapping rule of raw grey series is introduced by analysis of exponential function characteristics of the whitening differential equation, which makes the non - equigap grey prediction model ngm ( 1, 1 ) fit for universal raw grey series, improves prediction precision greatly, meanwhile makes innovation to series with negative values and enlarges grey prediction theory

    通過對白化微分方程解的指數函數特性的分析，研究了原始灰序列的歸一化映射規則，使非等間距灰預測模型ngm （ 1 ， 1 ）適應一般灰序列，灰預測精度也大大提高。這亦解決了含負值灰序列預測的理論問題，拓寬了灰色預測理論。
  12. A sufficient condition for the existence of a solution to robust decentralized dissipative control via state feedback and via output feedback is derived in term of a set of hamilton - jacobi - issacs ( hji ) inequalities. the sufficient condition is that the robust decentralized dissipative control problem can be resovled for all admissible uncertainties, if there exists a scaling c1 storage function such that hji inequalities have nonnegative solution. the controllers constructed make the nonlinear system robust dissipative with respect to the quadratic supply rate

    基於hji不等式給出了含有不確定和干擾非線性互聯系統魯棒分散耗散控制存在的充分條件，即對于所有允許的不確定如果存在標量c ~ 1類存儲函數使得hji不等式有非負定解，那麼非線性互聯系統魯棒分散耗散控制就可獲得，並且構造的控制器使得非線性互聯系統在給定二次型供給率下具有魯棒耗散性。
  13. In this paper, we consider the stability of the positive radical steady states, which are positive solutions of of the following cauchy problem : where initial function 0 is a bounded non - negative continuous function in rn, and k ( r ) > crl for some l > - 2 and r large

    本文討論了如下的柯西問題的正徑向平衡解的穩定性，其中初始函數是r ~ n中不恆為零的有界非負連續函數， k （ r ） cr ~ l （ l - 2 ， r足夠大） 。這個問題的正徑向平衡解是的正解。
  14. In this model, the release time of a job is a positive strictly decreasing continuous function of the amount of resources consumed, and the processing time of a job is a strictly decreasing linear function of its starting time

    在這一模型中，工件的準備時間是所消耗資源的非負嚴格減少連續函數，工件的加工時間是開工時間的嚴格減少線性函數。
  15. According to the problem that the recovery rate is traditional treated as a constant or an independent stochastic variable by the classical credit risk pricing and management model, and problem that the negative correlation between the default probability and recovery rate is always neglected, this dissertation gets the exponential and logarithm regression models of default probablilty and recovery rate based on some empirical researches, and improves on several broadly applied credit risk models, such as structural hazard rate model, affine structure model, convertible bond pricing model and credit metrics model, and introduce the negative correlation between

    針對傳統的信用風險定價模型及信用風險管理模型將違約回收率看成是一個外生的常數或是一個獨立的隨機變量，而忽略回收率和違約概率之間的負相關性這一問題，本文應用相關實證研究得到了違約概率和回收率的指數和對數回歸模型，並對應用非常廣泛的結構化風險率模型、仿射結構模型、可轉換債券定價模型和creditmetrics模型進行了改進和拓展，在新模型中應用指數和對數函數引入了這兩個變量之間的負相關性。
  16. For example, if a function to calculate the square root can only handle non - negative numbers, you can have an assertion that the input argument is 0

    例如，如果計算平方根的函數只能處理非負數，您可以設置一個輸入參數> = 0的斷言。
  17. This means that it is the responsibility of the calling function to ensure that only non - negative arguments are passed

    這意味著調用函數的職責是確保只傳遞非負參數。
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