概率對數值 的英文怎麼說
中文拼音 [gàilǜduìshǔzhí]
概率對數值
英文
log odds score- 概 : Ⅰ名詞1 (大略) general outline 2 (神氣) manner of carrying and conducting oneself; deportment ...
- 率 : 率名詞(比值) rate; ratio; proportion
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 數 : 數副詞(屢次) frequently; repeatedly
- 概率 : [數學] probability; chance概率論 probability theory; theory of chances; 概率曲線 probability curv...
- 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
-
This dissertation uses genetic algorithm to choose optimum parameters for the widely used pid controllers. in the optimization calculation process, mutation rate, cross rate and parameter range are adaptively changed to accelerate optimization process
本文用遺傳演算法優化工程中廣泛使用的pid控制器的參數,採用變參數區間、變交叉變異概率等方法提高計算速度,並對適應值函數進行了改進。What ' s more, the lessons of statistics and probability could promote students " statistics ideas and probability thinking effectively. especially, there is only some research on compilation of statistics and probability in mathematics textbooks for elementary schools in foreign nations, and which is still on the inchoative stage in china
關于小學數學「統計與概率」的編寫和實驗研究在國內剛剛起步,國外相關研究也較少,可見本文的探索是富有新意的,且這一研究對我國正在進行的小學數學課程改革有一定的參考和借鑒價值。The first function returns a probability value associated with a t statistic based upon the students t distribution, while the second inverse function computes the t statistic corresponding to a given alpha setting
第一個函數根據學生的t分佈返回了與t統計值相關的概率值,而第二個反函數計算了與給定的alpha設置相對應的t統計值。Following the research route of mend with study and development with creation, give the definition of risk and the methods of risk identifying, divide the risk attitude into risk loving, risk neutralism and risk avoiding, point out the importance of enhancing the risk consciousness for lightning hazard, and summarize the mechanisms of lightning hazard the theories and methods of risk assessment for lightning hazard. provide a set of risk assessment parameters for lightning hazard, which includes lightning times n, hazard probability p, hazard loss d, hazard risk r and protection efficiency e, and give the definition, decisive factor, value method and value scope of each parameter. establish a risk assessment model for lightning hazard which includes lightning hazard base module, lightning hazard probability module, lightning hazard loss module, lightning hazard accepted risk module, lightning protection cost module, correcting coefficient module, lightning hazard risk module, and lightning protection class and efficiency module
遵循借鑒改造和發展創新的研究思路,給出了風險的定義和風險識別的方法,將風險態度分為風險喜好型、風險中庸型和風險逃避型,指出了提高雷電災害風險意識的重要性,總結了雷電災害的作用機制和雷電災害風險評估的理論與方法;提供了包括雷擊次數n 、雷災概率p 、雷災損失d 、雷災風險r和雷電防護級別與防護效率e等5類基本參數的雷電災害風險評估參數體系,並給出了各個參數的定義、參數的決定因素和取值方法以及取值范圍;設計了包括雷電災害基礎模塊、雷電災害概率評估模塊、雷電災害損失評估模塊、雷電災害允許風險評估模塊、雷電防護成本評估模塊、校正系數模塊、雷電災害風險評估模塊、雷電防護級別與效率分析模塊等8個模塊的雷電災害風險評估模型,評估模型以iec61662的評估模型為基本參考,以雷災損失d為中心,把雷災風險劃分為經濟雷災風險r _ e和人身雷災風險r _ l ,並對r _ e和r _ l分開單獨處理。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。The representative failure models of arch rib are searched and the rib section resistances are calculated by incremental method and disadvantage loading in the control sections. the structure reliability assessment index on bearing capacity of the arch - bridge is calculated by the function of bearing capacity reliability, structure resistance probability model, load action effect probability model and jc method
對每種荷載布置型式,採用荷載增量法進行拱橋結構失效模式的尋找和截面抗力的計算,給出其承載力可靠度功能函數,推導功能函數中結構抗力和作用效應概率模型,並利用改進的一次二階矩法計算在用拱橋承載力可靠度指標評估值。Second, carried out the fatigue life test of the truck ' s front axles adopted grouping fatigue life test method, calculated the results on theory of probability stats, linear fitted the fatigue life data by means of the basquin equation and least squares method, acquired the mathematical model of s - n and p - s - n curve of the front axles
其次,採用成組試驗法,對汽車前橋進行了疲勞壽命試驗,藉助概率統計方法對試驗結果進行了分析計算,得到了各試驗載荷下的疲勞壽命的正態分佈的均值和標準差,採用basquin關系式和最小二乘法對疲勞壽命數據進行線性擬合,得到了前橋的s - n和p - s - n的關系。In this dissertation, we firstly prove that any dirichlet problem is indeed equal to a voltages problem of networks. we give five solutions to dirichlet problem in two dimensions ; among these five solutions, we prove that the iteration solution and the solution of relaxations are exponential convergence, then we estimate their respective convergence rates ; secondly, we discuss random walks on general networks, prove that there is an one to one correspondence between networks and reversible ergodic markov chains ; thirdly, we give probabilistic interpretation of voltages for general networks : when a unit voltage is applied between a and b, making va = 1 and vb = 0, the voltage vx at any point x represents the probability that a walker starting from x will return to a before reaching b ; furthermore, we study the relationship between effective resistance and escape probability : starting at a, the probability that the walk reaches b before returning to a is the ratio of the effective conductance and the total conductance
本文證明了任何邊值的dirichlet問題都可轉化為求解電路電壓的問題:給出了計算平面格點上dirichlet問題的5種方法:證明了迭代法和松馳法都是指數收斂的,並分別給出收斂速度的估計;討論了一般電路上的隨機徘徊,驗證了電路與可逆的遍歷markov鏈是一一對應的;給出了電路電壓的概率解釋:當把1伏電壓加於a , b兩端,使得v _ a = 1 , v _ b = 0時,則x點的電壓v _ x表示對應的markov鏈中,從x出發,到達b之前到達a的概率;進一步地,給出了逃離概率與有效電阻之間的關系:從a出發,在到達b之前到達a的概率為有效傳導率與通過a的總傳導率之比。Hi addition, with regard to the computation of the maximum / minimum moment, shear force, settlement and foundation reaction of pile capping beam, the randomness of both pile capacity and foundation modulus are statistically analyzed in virtue of the method ? monte carlo. accordingly, the random probability analysis of the internal force of pile capping beam can be achieved
並通過蒙特卡洛( montecarlo )法對基樁承載力、土體基床系數的隨機性進行統計分析,獲得了承臺梁彎矩、剪力、沉降以及基底反力的最大(小)值,從而實現了樁基承臺梁內力計算的隨機概率分析。Abstract : in the 1d random traffic flow model, the relationbe tween the correlation functions and the creation, disappearance, brake probabiliti es ofthe vehicles is presented, according to the statistical mechanical approach to thecorrelation functions. and then comes out the results cohering with the c omputersimulation
文摘:依據概率論的定義,通過對關聯函數的解耦,給出兩點的關聯函數與轉入、轉出及剎車概率之間的關系,並對其結果進行了討論,計算機數值模擬結果與理論結果一致We attempted to advance the certainty method based on the background value of earthquake ground motion ' s parameters, combined the probability seismic risk analysis and certainty seismic risk analysis to study the characteristics of earthquake ground motion ' s parameters in jianghuai region which is medium - strong earthquakes ' transition region, and protracted the calculating background values of earthquake ground motion ' s parameters to plane equivalence value maps and solid equivalence value maps
摘要嘗試性地提出了基於地震動參數背景值的確定性方法,將概率性地震危險性分析和確定性地震危險性分析相結合,對江淮地區這一中強震過渡區的地震動參數特徵進行了研究,並把地震動參數背景值的計算結果繪製成平面等值線圖和立體等高線圖。The third creative research field is as follows. the paper analyzes deeply the influence on the marginal values of probability of enterprise manager weaseling from indebtedness for behavior parameters of commercial bank manager and enterprise manager
試圖回答並且做出有創新的研究之三本文研究了企業(借款者)逃債概率對企業(借款者)與商業銀行的行為參數的邊際值。The main conclusions are following : ( 1 ) compared with the conventional mlc, the method of iterative prior probability based on the vector map can dispel the prior probability ’ s influence and the overall accuracy and kappa index can be improved ; ( 2 ) to the types with greater area than average area of all types, the producer ’ s accuracy will be improved while user ’ s accuracy be lessened, but to the ones with smaller area, the situation is just the opposite
本研究的主要結論是: ( 1 )與傳統的最大似然法分類相比,利用地理數據矢量化得到的先驗概率進行迭代,可進一步消除先驗概率對最大似然分類法分類結果的影響,使分類總精度和kappa指數有進一步提高; ( 2 )分佈面積大於平均值的類別,生產者精度一般會變高,使用者精度會變低;分佈面積小於平均值的類別,生產者精度一般會變低,使用者精度會變高。The formulas for computing mean and deviation of the average consolidation degree of double - layered soil are derived as vertical coefficient of consolidation submitting to gamma distribution. with these formulas, the influence of geotechnical auto - correlation distance to the probability characteristics of consolidation degree is studied. it shows that along with the rising of auto - correlation distance, the sensitivity of probability characteristics of consolidation degree to auto - correlation distance is falling
當豎向固結系數為gamma分佈時,推導了雙層地基平均固結度均值和方差的計算公式:利用該公式分析了土性自相關距離對平均固結度概率特性的影響,結果顯示,自相關距離越大,平均固結度的概率特性值對自相關距離越不敏感。Under the reality conditions, the occurrence probability of event shows fuzzy and random, the fuzzy number is inducted into the causality diagram in this paper, and it can solve the difficulty of obtaining the precision probability value as well as solve the problem of the fuzzy and random of the occurrence probability of event
針對實際情況事件發生概率具有模糊性和不確定性的特點,文章將模糊數引入因果圖中,解決了獲取事件發生概率精確值的難度,又使因果圖能處理帶模糊性和不確定性的問題。The proportion based on the assistant data is used as the prior probability to replace the prior value in the conventional supervised classification ; the farther iterative prior probability is applied into classifying progress on landsat tm image
由輔助數據中計算各類別面積比率作為先驗概率,替換傳統監督分類中的先驗值,並進一步對先驗概率進行迭代,最後利用改進的先驗概率對landsattm影像進行分類實驗。This method takes advantage of the lower approximation in rough sets to do the first data packing, and then, according to the value - taking probability of the attribute value, finds the result to do the second packing, thus accomplishes the completion of incomplete information system
該方法利用粗糙集中下近似集的性質進行初次數據填補,然後根據屬性數據的取值概率函數求出的結果進行二次填補,從而完成對不完備信息系統的完備化處理。In thes paper, we set up a risk quantiative appraisal system for the scientific risk management of the real estate invesbent whih is based on the probability theory, mathematial statistics and fmancial anaiysis theorythis system developes the application of the probability theory and mathematical statishcs to the risk appraisal on the base of current risk appraisal methods. what ' s more, in orde to filfulthe need of prachcal application, we create a set of risk - fmance index models in whih we analyze five kinds of twortant risk in the real estate investinen from their orighs, such as the general price fluctuation risk, the markt risk, the interest rate risk, the operation risk and the decision risk. ih the system, standard deviation of the npv ( net present value ) is uesed as the quantitative index of the singe risks and the whole risk. in addition, we connect the system with risk avoiding tactics in the risk managemen of a proect. all these provide a decision basis for risk management
本文應用概率論、數理統計、財務分析等理論為房地產投資風險的科學管理建立了一套風險定量評價系統。該系統是在現有的風險評價方法的基礎上,將概率論和數理統計的理論在風險評價中的應用進一步深化。並結合房地產投資的實際,從風險形成的原因出發,針對其中影響較大的幾類風險像利率風險、物價風險、行業風險、經營風險、決策風險,建立了一套風險- - -財務指標評價模型,運用凈現值的標準差這一指標將房地產投資所面臨的個體風險和整體風險定量化,同時與項目風險管理中的風險規避策略有機地結合在一起,為房地產投資的風險管理提供了決策的依據。The fourth creative research field is as follows. the paper analyzes deeply the influence on the marginal values of probability of commercial bank manager supervising for behavior parameters of commercial bank manager and enterprise manager
試圖回答並且做出有創新的研究之四本文研究了商業銀行監督檢查的概率對企業(借款者)與商業銀行的行為參數的邊際值。By setting up a mathematical model for the probability of the discovered devices, the optimized value of the key parameter which improves the efficiency of the device discovery procedure is pointed out. the simulation further shows the great impact of the parameter on the efficiency of device discovery
通過建立設備發現概率的數學模型,得到了設備發現概率的影響因子,指出了用於提高設備發現效率的關鍵參數,模擬實驗進一步說明了該參數值對設備發現效率的影響。分享友人