極值函數 的英文怎麼說
中文拼音 [jízhíhánshǔ]
極值函數
英文
extremal function-
Concavity - convexity of functions near extreme points
實解析函數在極值點附近的凹凸性According to the variation, features of the integrand, the values of peaks and troughs are taken out and formed a slowly convergent series, and the repeated averaging scheme is performed to calculate the limit rapidly and accurately
根據被積函數的變化特點，將波峰和波谷值抽取出來組成慢收斂序列，利用重復平均法快速而準確地求出其極限值。People put forward radial basis function networks considering the conventional bp algorithm problems of slow convergence speed and easily getting into local dinky value
對于傳統bp演算法存在的收斂速度慢和易陷入局部極小值問題，人們提出了徑向基函數網路。In this research, the plant esterase of wheat and - ethanoic acid naphthalene ester were taken as materials to inspect the relation between the wheat esterase and the organic phosphorus, ten linearity equations were established which expressed the esterase vigor and the organic phosphorus density logarithm with the change of the numerical value of ultraviolet resorption, and the monotony range and the extremum of the function were confirmed
摘要本研究以小麥為植物酯酶的酶源， -乙酸萘酯為底物，考察了小麥酯酶與有機磷農藥之間作用的關系，建立了10個以吸光值變化表示的酶活性與有機磷農藥濃度對數之間的線性方程，並確定了函數的單調區間和極值。The extremum of function in mathematical physics
數學物理問題中的泛函極值A simple decision method on binary function ' s conditional extremum
不定性求多函數極值Estimates on the extremal sobolev - hardy functions
極值函數的估計Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal
我的思路是：改造現有圖形結構，先建立能反映信噪比大小且含待定參數k的表達式，然後通過離散型h0pfi舊單層反饋神經網路，再結合前邊的混合濾波器構成一個非線性控制系統，寫出對應的網路函數，利用相平面法和李雅普諾大穩定性的判據，得到一個穩定的極限環，從而確定出參數卜的范圍，進而再對原來的小波軟閾值進行修正，用修正後的值作為小波閾值。The necessary and sufficient condition of the extreme value of implicit function and it ' s application
隱函數取極值的充要條件及其應用In this papery we discussed the the extremum of function of several variables, and generalized the result of paper [ 2 ], then we give the method of solving the extrme value of n - component function using first class partial derivative
摘要討論了多元函數極值的問題，推廣了文獻[ 2 ]的結果，並給出了利用一階偏導數求多元函數極值的方法。By whitening the covariance matrix of flat ambiguity, correlation between ambiguity components, the number of local extrema of cost function is reduced. the search program getting into precocity is avoided by suitable encoding and genetic operation
通過白化處理模糊度，減少模糊度搜索中指標函數的局部極值點，採用適當的編碼和遺傳操作使得在種群個體較少的情況下避免搜索陷入早熟。One is the evt - based var model ( including gev model and gpd model ), the other is the quantile regression var model. secondly, i evaluate predictive performance of a selection of var models for chinese stock market data. these var models include riskmetrics method, historical simulation, monte carlo method, and the three recent models based on quantile regression and extreme value theory
本文首先重點探討了極值分佈var模型（包括廣義極值分佈和廣義帕雷托分佈兩個模型）和分位數回歸var模型；然後在此基礎上將六個var模型（包括上述三種模型、歷史模擬法、 riskmetrics方法以及蒙特卡洛法）實證應用於估計上證指數、上證180 、深證成指、深證綜指95 var和99 var ；同時採用區間預測法、損失函數法和符號檢驗法對這些var模型進行了選擇評估。Taking the contact stress, bend stress stiffness and temperature stress as the condition, taking the weight of the kiln tyre as optimization aim function, the redia and the width of the tyre are optimized general optimize methods just consider the affecting of the parameters to aim function, but in fact, structural parameters ( such as structure dimension, interval and so on ), physics and dynamics ( damp factor, conduct factor, friction factor material ' s elastic module strength limits and so on ), which would be changed after used. the difference are called discrepancy robust design ' s basic concept is : all design parameters " discrepancy will affect the aim funct ion and arouse the quality target discrepancy
一般的優化方法，僅僅考慮了參數對其目標函數的影響，而實際情況下有些參數是變化的，產品的結構參數（如幾何尺寸、間隙等） 、物理和力學參數如阻尼系數、傳導系數、磨擦系數、材料的彈性模量和強度極限等的設計值與製造后和使用中的實際值會有差異，這種差異稱為設計變量和噪聲因素的變差。Determining the extreme values and extremal functions of the analytic functions on d = { z $ c : z < 1 } is very important in the principles of univalent functions. baernstein [ 2 ] gave the conclusion by using koebe function as the extremal function, glenn schober [ 6 ] studied the classes such as s, p, k, s * of h ( d ) and represented these functions with integral formulations. wang jian [ 3 ] and others investigated the integral mean values
Baernstein首先在單位圓上討論給出了以koebe函數作為極值函數的結論， glennschober對h （ d ）中一些函數子類如s 、 p 、 k 、 s ~ *等作了研究，將這些子類上的函數用積分表達出來，王鍵結合baernstein ~ *函數的定義及glennschober的結論，定義了對稱集的概念並得出了一些函數類在其上的積分平均。A maximum or minimum value of a function
極大值，極小值函數的最大值或最小值Its application to partial differential equations is one of important application and many tools, such as the method of interpolation, maximal functions and potential theory, become the necessary tools in pde
調和分析在偏微分方程方面的應用是其中相當重要的方面。調和分析中的許多工具，如插值方法，極大函數方法，位勢理論等，是偏微分方程研究中的必備工具。Limit theorems for the integrals of scalar valued functions with respect to a set valued measure
數值函數關于集值測度的積分的極限定理Maximum entropy method is an effective smoothing one for the finite min - max problem, which, by adding shannon ' s informational entropy as a regularizing term to the lagrangian function of min - max problem, yields a smooth function that uniformly approaches the non - smooth max - valued function
極大熵方法是解有限極大極小問題的一種有效光滑化法，它通過在極大極小問題的拉格朗日函數上引進shannon信息熵作正則項，給出一致逼近極大值函數的光滑函數。As its application, the sufficient condition of the existence of mean of maximal function is given, which are same as that in the independent case
作為應用，並且極大值函數的矩存在的充分條件，與獨立時的結果是一致的。Inequalities for vector - valued maximal functions in weighted herz spaces over locally compact vilenkin groups
空間中的向量值極大函數不等式分享友人