收斂區間 的英文怎麼說
中文拼音 [shōuliǎnqūjiān]
收斂區間
英文
interval of convergence- 收 : Ⅰ動詞1 (把攤開的或分散的事物聚集、合攏) put away; take in 2 (收取) collect 3 (收割) harvest...
- 斂 : Ⅰ動詞1 (收起; 收住) hold back; keep back 2 (約束) restrain 3 (收集; 徵收) gather; collect; ...
- 區 : 區名詞(姓氏) a surname
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 收斂 : 1 (減弱或消失) weaken or disappear 2 (約束言行) restrain oneself 3 [數學] convergence; constr...
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Agglomerative effectiveness : the effect on regional economical inequality because of industrial agglomeration. in order to show the effects of industry on regional inequality, the model of panel data is applied to analyze the relationship between industrialization and economy growth., which is helpful to estimate whether the tendency of growth is convergence and the structural effectiveness. the time series model is used to analyze the effect of industrial agglomeration on regional inequality, where gini coefficient is taken as the index of industrial agglomeration
為了更清楚地把握工業在地區差距上的效應,本文用面板數據模型分析工業化程度和經濟增長之間的相關關系,從而判斷區域經濟發展趨勢是否收斂,工業在「結構效應」方面的影響;計算表示工業集聚程度的基尼系數,通過時間序列模型分析工業集聚對地區經濟差距的「集聚效應」影響。Uniform convergency in the series of complex interal - valued function and complex fuzzy - valued function
復區間值函數與復模糊值函數級數的一致收斂性And raga can steadily adjust and compress the variable changed space. the times of accelerating circle is not many, commonly, the times is under 10 times. even though the problem is very complicated, the times of accelerating circle is less than 50 times
該方法具有處理復雜優化問題的能力,並且,它調整、壓縮搜索區間的性能也是穩健的,不易早熟收斂,加速循環的次數也不會很高,一般就在10次以下,即便是特別復雜的問題其加速循環次數也在50次以內,所以說raga的計算量很少。Controlling time - specific and province - specific factors and serial correlation, we find there is conditional convergence of regional disparity for province - based rural development and internal disparity among the east, the middle and the west of china
檢驗結果顯示,在考慮了時間和省份特殊效應、序列相關等因素的影響后,中國各省農村發展差距以及東中西部地區農村發展的內部差距均存在條件性收斂。A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived
對于曲線坐標系下的拋物化穩定性方程,文中發展了求解的高效數值方法:引進法向變換,使得在臨界層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含邊界鄰域在內的完全四階精度的法向有限差分格式,這對方程精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式,大大加速收斂並得到更精確的特徵值。Based on this result, convergence of gaussian quadrature formulas for riemann - stieltjes integrable functions on an arbitrary system of nodes on infinite intervals is discussed
應用這個結果,我們討論了關于riemann - stieltjes可積函數f ( x )基於無限區間上的任意節點系的gauss求積公式的收斂性。At first, in order to prevent the premature convergence of genetic algorithm effectively, the author brings forward a novel dyadic floating - point supplementary mutation operator. then, simulating the natural evolution, the author presents a novel topology, unoriented - connected topology, for parallel genetic algorithm. in the end, an interval decomposed optimization method is brought forward for ipga, which can improve the optimization performance of the algorithm
為提高演算法的性能,作者對遺傳演算法進行三種改進:首先,為克服遺傳演算法早熟收斂,作者提出一種新的二元浮點補碼變異運算元;其次,模擬生物自然進化模式,為并行遺傳演算法提出了一個新的并行拓撲結構- - - -無定向拓撲連接;最後,作者提出一種區間分解優化思想,來提高對最優解的搜索能力。Interval newton algorithm is used extensively in the calculation of chemical engineering such as the determination of phase stability, reactive azeotropes, robust process simulation, reliable parameter estimation, etc. all of these results show that interval newton algorithm is suitable to solve most kinds of nonlinear equation successfully
由於區間牛頓法強壯的全局收斂性和同時求得多個解的能力使得區間牛頓法廣泛地應用在化工計算領域,如:相穩定性分析、反應共沸物的判斷及組成確定、穩態過程模擬、參數估計等等。The new algorithm starts from an initial estimate which is based on the hough transform, and a rectangular window is centered using the current line approximation, and a new line estimation is generated by making a total least squares fit through the pixels contained within the window. this is repeated until convergence is reached. lastly, we have suggested a new technique which may recover the motion and structure parameters of a moving object by using of 21 optical flow lines based on the optical flow fields of the feature line this thesis is the project supported by aeronautical foundation science ( no. 99f53065 ) and research center of measuring and testing technologies, and control engineering in nanchang institute of aeronautical technology ( no. 2001 - 15 )
演算法的思路是:首先,在小區域內運用霍夫變換確定直線的初始值;其次,以直線的初始值所對應的直線為中心線,建立一個矩形框;最後,利用矩形框內所包含的邊緣點數據不斷地迭代直至收斂,從而達到進一步修正直線的坐標參數;本文基於特徵直線的光流場,即線流場,建立了一種利用21條光流線確定空間三維物體旋轉運動參數、平移運動參數以及對應的空間直線坐標的線性演算法。This paper deals with the problem of crosstalk mitigation at both methodological and algorithmic levels. noting that intermediate operations between global routing and detailed routing are very effective in crosstalk estimation and reduction, the authors propose to incorporate several intermediate steps that are separated in traditional design flow into an integrated routing resource assignment stage, so that the operations could easily cooperate to fully exert their power on crosstalk reduction. an efficient priority - based heuristic algorithm is developed, which works slice by slice
在布線的各階段中,總體布線有較大的靈活性,但對各區域或信號線上的串擾難以估計詳細布線可以精確地計算串擾,但靈活性太小,往往出現反復拆線重布,難以達到設計收斂相比之下,總體布線和詳細布線中間的階段既有一定的靈活性,又可以相對準確地計算噪聲,是解決串擾問題的理想時機。Under this flow, the convex initial curve will preserve its perimeter, enlarge the enclosed area and make its curvature to be positive definitely. and as the time lasts, it will become more and more circular, and finally, as the time goes to infinity, the curve will converge to a circle in the hausdorff metric
本文證明在這種新的曲線流之下,閉凸曲線周長保持不變、所圍區域的面積不斷增大而曲率保持恆正(從而保持凸性) ,並且,隨著時間的推移曲線變得越來越圓,最終當時間t趨向于無窮大時,曲線在hausdorff度量意義下收斂到一個圓周。The evidence indicates that this model describes the economic growth in china very well, if holding population growth, capital accumulation and institutional change factor constant, chinese provinces converge at about the rate that the augmented solow model predicts
實證研究結果表明該模型很好地描述了各省市的經濟增長情況,如果控制了人口增長率、資本積累率以及制度因素的差異,中國地區間經濟增長會出現如索羅模型所預測的條件收斂現象。This paper describes a reconstructive algorithm which is based on network theory for electrical capacitance tomography technic. there are twelve electrodes in the system. the permittivity distribution of flow with two components within a pipeline is reconstructed. assume the permittivity distribution of the region to be reconstructed. then whole measured area is discretized into a network composed of capacitance. the measurement circuit which contains a pair of source electrode and detecting electrode is taken as a four - terminal network. the across admittance of the four - teminal network is proportional to the capacitance between the source electrode and the detecting electrode. modify the distribution of the permittivity according to the difference between the calculated capacitance and measured capacitance. the experimental results show that this algorithm is effective and can coverge
本文描述了一種用於兩種成份的流體成像的12電極電容層析成像新方法.該方法基於電路的網路理論,首先對重建區域假定一個介電率分佈,用電容網路作為離散化模型,將每一個源電極和探測電極對組成的測量電路看作一個四端網路,該四端網路的跨導與源電極和探測電極之間的電容值是線性關系,這個電容值和測量得到的電容值之間存在誤差,根據這個誤差對修正介電率分佈.通過對不同介質分佈作的模擬實驗結果,證實了該演算法是有效的,收斂的At present, it is still in the middle stage of kuznets curve ; the differences of income in the interior of the east and the west are bigger than the middle, and they have been in the scope of income inequality which is regarded to be bigger by the international ; the phenomenon of " the club convergence " of income growth of the fanner between the east and the middle is obvious, but this can not appear between the east and the west, the west and the middle ; the differences in the interior of the high income area and the low income area are smaller than in the interior of the other areas in which the differences are increasing, this conforms to " the u " theory. by adopting theil model to analysis the general farmers incomes differences based on various regions, it is showed clearly that the farmers income inequality among different areas is the main reason to result to rural income differences. this part contents chapter 1, chapter 2 and chapter 3
結果表明,無論從那個角度來看,改革以來,我國地區間農民收入均呈現差異擴大的態勢,而且擴大的速度快,幅度大,且目前仍處在庫茲涅茲所提出的「 u型」曲線的中期階段;東部與西部地區內部各省之間收入差異較大,目前已進入國際上公認的較大不平等的范圍,而中部內部差異較小,目前仍處于合理范圍之內;同時農民收入增長在東部與中部之間出現了新經濟增長理論所揭示的「俱樂部收斂」現象,而這一現象在東部與西部、中部與西部之間卻沒有發生;高收入與低收入水平區內部差異小,而介於中間收入水平的區域內部差異較大,且保持著較強的擴大趨勢,這一點基本上與「 u型」理論的結論相符。Firstly, the duality principle is used to change the linear program problem into the minimax problem, an interval extension of the adjustable entropy function is set up and its order of convergence is discussed
首先利用對偶理論將線性規劃問題轉化為極大極小問題,建立並討論了調節熵函數的區間擴張及其收斂階。By studying the solution to generalized effective medium satori resistivity model in laminated and dispersed shaly sand, it shows that there is a local minimum of the function about w derived from the model in the range from 0 to, and the w corresponding to the minimum varies with or w as well as other parameters, therefore, in order to ensure the iteration convergence, here, we adopt a hybrid algorithm combining newton and bisection, and the calculated result shows that using the hybrid algorithm to solve the equation about w is convergent. it is pointed out that shale distribution largely affects water saturatio n predicted by this model
通過研究混合泥質砂巖有效介質通用satori電阻率模型的求解方法,表明模型導出的關于_ w函數在0 -區間內存在一個局部極小值,且該極小值點對應的_ w隨或_ w及其他參數的變化而變化,因此,為了保證迭代收斂,採用牛頓和二分結合的混合迭代演算法,試算結果表明利用牛頓和二分混合迭代演算法求解關于_ w的方程是收斂。In chapter 2, a sort of genetic algorithm based on estimation range is presented. by the means of probability analysis, the convergence area of the optimal result can be estimated. in this way, the search range can be shrinked > the search precision can be improved and the quality of result can be ameliorated
本文針對優化設計中的智能方法進行了研究,在本文的第2章,提出了一種基於區間估計的遺傳演算法,應用概率分析,通過對最優解的收斂區間進行估計,縮小了搜索范圍,提高了搜索精度,最優解的質量有所改善。The proposed algorithm is called agvf snake algorithm. when deformable models are used to extract brain contour from the head mr images, problems associated with initialization and time consuming iteration limit their utility. to overcome these problems, a region based variable expansion force is proposed
對于可變形模型對初始輪廓的依賴較大,外力的作用范圍有限,迭代演算法收斂時間較長等問題,提出了一種新的外力,我們稱之為基於區域的可變膨脹力( regionbasedvariableexpansionforce ) 。On the collectivism and distribution of power series in its extremity section
關于冪級數在收斂區間端點的斂散性問題A set of calculation softwares was programmed by simulated annealing algorithm. these softwares can find the best solution without being given initial values but region of convergence, and have a lot of advantages such as fast convergence, good stability and high accuracy
根據模擬退火演算法編制的一系列計算軟體能在大面積內快速搜索,無須給定初始值,只要給定收斂區間,就能對可疑的點進行逐次逼近,直至搜索到一組最佳的薄膜參數值。分享友人