元線 的英文怎麼說

Approximation by linear combinations of bernstein - durrmeyer operators

運算元線性組合的逼近

This thesis analyzes the mutual, complemental and fit relationship between technology 、 the corporate supply chain and organizational structure of a corporation in a comparably systematic and complete way based on the mode of integrated management by reviewing, analyzing and summarizing relative references. based on practical definitions of the concepts and variables appearing in the analysis of the relationship, investigative papers have been designed and possible development situations of technology 、 the corporate supply chain and organizational structure of different enterprises have been described in the way of determining the nature. by the statistics and analyses of the investigative papers, relativity, with the method of multi - linearity - regress analysis, and by investigating enterprises " performance in different dimensions and establishing a math mode of the relationship between

本文在企業一體化管理模式的基礎上，通過文獻資料法對相關文獻進行回顧和總結分析，較系統和全面地論述了企業技術與組織結構、組織結構和供應鏈之間存在的互動、互補和匹配關系，對這一關系中的概念和變量進行操作化定義，設計出三者對應的指標體系的調查問卷，定性描述在不同企業的技術、組織結構和供應鏈的發展狀況，通過對調查所得問卷進行統計分析，運用相關性分析和多元線性回歸分析等方法，實證調查企業在不同維度狀態下的績效，建立企業技術、組織結構、供應鏈與企業的績效之間關系的數學模型，證明企業技術、組織結構、供應鏈和企業績效存在一定的相關性，企業技術、組織結構和供應鏈三者之間的匹配關系可以影響和預測企業的績效，只有當企業的各影響因素之間相互匹配的時候，企業整體運做的效率和效果將最好。

At last, based on the theory of cubature, the multivariate linear regression equations are built up, and the traffic conversion coefficient of the controlled intersection junction are deduced

最後，以容量法為理論基礎，建立多元線性回歸方程式，推導出信號交叉口車輛折算系數。

Considering that the enterprise cannot research the " customer - enterprise " value deeply, on the basis of that, the paper puts forward evaluating system of customer value in the enterprise according to value contribution, applies ahp to analyze weight of the indexes in consultation with marketing management and selling personnel of the enterprise and relevant experts and then exert clustering analysis and sas software to classify the customers according to the current value and potential value, provide the strategies of the customer classification management. in addition, any resource is exiguity, including economical resource. this paper defines economical resource, puts forward the model of optimum distributing resource and utilizes the method of linear regress equation to get result, which to grope for a new method about calculating marketing expenditure

本文首先界定了客戶和客戶價值的含義，同時闡述了關系營銷中客戶價值的理論以及客戶價值的影響因素，針對目前「客戶?企業」價值的研究還不成熟的研究現狀，以及現實中還沒有定量分析客戶價值大小的方法，本文提出了一套具有可操作性的客戶價值評價的指標體系，對客戶可以進行比較全面的、多角度的評價，同時採用ahp法對這個評價體系中的各指標因子賦以合理的權重，然後運用聚類分析法和sas統計軟體對客戶群進行了科學地細分，在此基礎上幫助企業制定出不同細分客戶群組的營銷策略；除此之外，考慮到目前企業對于營銷資源的合理分配問題還沒有進行過深入地討論，本著企業經營的根本目的是盈利的原則，論文結合經濟學原理以及計量經濟學中的多元線性回歸分析提出了實現利潤最大化的營銷資源配置的優化模型，旨在探索一種銷售費用最優配置的方法。

In this paper, the effects of fly ash, cement, lime, fine sands, foam agent, w / c ratio and additional agent on foamed concrete were studied by experiments, the best combination ratio of fly ash foamed concrete whose density varies from 551kg / m3 to 650kg / m3 was obtained through orthogonal test design, the foam agent quantity and the fly ash quantity effect the fly ash foamed concrete greatly, so the author selected them as independents to establish duality linear regression equations, the equations were quite ideal through the test of model summary r. moreover, the author also did some experiments about the water resistance of magnesium oxychloride cement fly ash foamed concrete, the outcome showed that phosphoric acid has good effect on water resistance, and its appropriate quantity was found

本文通過試驗研究了粉煤灰、水泥、石灰、細砂、發泡液、水灰比及外加劑對粉煤灰發泡混凝土性能的影響，採用正交設計試驗方法得出了600級粉煤灰發泡混凝土的最佳配合比，同時發現發泡液和粉煤灰摻量對發泡混凝土的影響最為顯著，因此，以二者為自變量建立了二元線性回歸方程，通過全相關系數的檢驗發現方程較為理想。此外，還對氯氧鎂水泥基粉煤灰發泡混凝土的耐水性進行了相關實驗，發現磷酸有較好的耐水性效果，同時找到了其合適的摻量范圍。

The calibration models of moisture, protein, fat, lactose, and sucrose for chmp are established with mlr

使用多元線性回歸法分別建立了近紅外檢測的兒童高鈣奶粉水分、蛋白、脂肪、乳糖和蔗糖的快速測定模型。

For a set of gasoline samples, multivariate linear regression ( mlr ) and partial least squares ( pls ) calibration models are built to predict research octane number ( ron )

針對一批實際生產裝置的汽油樣品，採用近紅外光譜定量分析中常用的多元線性回歸（ mlr ）與偏最小二乘（ pls ）方法，建立了汽油研究法辛烷值nir光譜預測模型。

The main contributions of the work can be summarized in the following : 1 ) using on - line collected data, a soft - sensor model of the column compositions is constructed via multiple linear regression ( mlr ) and principal component regression ( pcr ) technique

並分別選用多元線性回歸（ mlr ）和主成分回歸（ pcr ）方法對溶劑脫水塔產品組成進行建模，對所建模型進行了驗證，其結果表明模型的精度達到了預期的要求。

Literatures indicate that logit model, logistic model, probit model, mlr, cluster model, option model, proportion risk model, and discriminant analysis are the main effective methods and models when researching the determinants of residential mortgage default risk

通過梳理文獻發現， logit模型、 logistic模型、 probit模型、多元線性回歸、聚類模型、期權模型和比例風險模型、判別分析是研究個人住房抵押貸款違約風險影響因素時採用的主要方法和模型。

Solving simultaneous equation

解一元線性方程

The elastic foundation model is considered as two - parameter elastic foundation model and its effect to moderate - thick plates are taken into account by a set of governing differential equations. united with hu hai - chang ’ s function, least squares collocation weighted residual method which uses b - spline function as trial function is put forward for solving the bending problems. compare with the results of finite element method of lines, spline finite strip method, accurate solution of series etc. it is proved that the method in this article has adequate accuracy and practical feasibility

本文採用瑞斯納中厚板理論求解彈性地基板，建立雙參數地基與中厚板相互作用的控制微分方程，結合胡海昌的解耦函數，運用雙五次b樣條函數作為試函數的離散型最小二乘加權殘值法分析了雙參數地基上的中厚板的彎曲問題，並將結果與有限元線法、有限條法、級數精確解等進行比較，證明本文方法具有足夠的精確性與實際的可行性。

Regarding these factors as independent variable and abnormal return ( ar ) on announcement day as dependent variable, we establish a linear regression model

並選取適當的變量代表這些因素，以增發公告日股票的異常收益率為因變量，建立了多元線性回歸模型。

The application of multivariate linear regression analysis in the production of magnesite - carbon bricks

多元線性回歸分析在鎂碳磚生產中的應用

Finally, the method of estimating power customer emission level based on binary linear regression is put forward, which make it a condition that harmonic emission is steady at the point of common coupling. combined with power system thevenin equivalent and customer norton equivalent, according to the principle of least squares method, the voltage that a customer ' s harmonic current begets at the point of common coupling can be estimated in the light of the plural correlation of network parameters

最後，提出了基於二元線性回歸的用戶諧波發射水平估計方法，該方法在假設公共聯接點諧波發射穩定的情況下，結合系統側戴維南等值與用戶側諾頓等值的電路圖，按照最小二乘法原理，利用電網各參數的復數關系推導關于系統側諧波阻抗的二元線性回歸方程，並根據諧波阻抗的估計值求取用戶諧波電流在公共聯四川大學碩士學位論文（ 2003 ）接點產生的電壓降。

The forecasts method including the forecast method of simple moving average, the forecast method of weighting moving average, the forecast method of single exponential smoothing, the forecast method of double exponential smoothing, the forecast method of multiplication model and the forecast method of monadic linear regression

預測方法包括簡單移動平均法、加權移動平均法、一次指數平滑法、二次指數平滑法、乘法模型預測法和一元線性回歸方程預測法。

On this basis, adopt the plural linear regression method, regard peasant ' s per capita income as the dependent variable, per capita agricultural land area, unit agricultural land area chemical fertilizer use amount, agriculture total value account for gdp proportion and land degradation the index data ( land degradation fictitious variable, land degradation percentage and land degradation the array variable of the degree ) as the independent variable

在此基礎上，採用多元線性回歸方法，以農民人均收入為因變量，人均農業用地面積、單位農業用地面積化肥使用量、第一產業總值佔gdp比例和土地退化指標（土地退化與否的虛擬變量、土地退化百分比和土地退化程度的序列變量）為自變量來分析。

By linear regression analyzing of the concentration of plankton microbe and settling microbe, we get the relationship between plankton microbe, settling microbe and air exchange rate, which reflect the randomness of bacterium in dynamic state. controlling the pressure difference effectively by adjusting forced draught blower and exhaust blower. comparing the jet fluid of different supply - air outlet, the diffuse pore plate is suit to assembling cleanroom

通過對測得不同換氣次數下裝配式潔凈室室內的浮遊菌濃度和沉降菌濃度的一元線性回歸分析得出浮遊菌濃度和換氣次數的關系、沉降菌濃度和換氣次數的關系以及浮遊菌和沉降菌之間的關系，反映了動態情況下，細菌運動的隨機性。

- the trace representation and the 2 - adic representation for the dual of the quaternary goethals code are given, and its binary image is proved to be the formal dual of the binary goethals code. - the generalized macwilliams identities are given for the support weight distribution of a quaternary linear code with type 4k and that of its dual code

給出了四元goethals碼的對偶碼的跡表示及2 - adic表示，並證明了它在gray映射下的二元像是二元goethals碼的形式對偶碼；從而可以將對非線性碼二元goethals碼及其形式對偶碼的研究轉化為對四元線性碼的研究； 3

One is to study the relationship between the share - holding structures of senior supervisor, stock structure etc, and the finance performance of the corporate ; the other is to study the relationship between correlative factors of the corporate governance. in this article, based on the analysis of the relationship between corporate governance and financing performance, the author divide performance into two aspects : roe and tobin ' s q ratio, tries to establish the correlation and regression analysis mathematics model of corporate value and developing ability of the corporate, using statistical software spss10. 0, carry through the correlation and regression analysis, then analyzes the model to study the relationship between corporate governance, corporate value and developing ability of the corporate. this is a beneficial experiment to the research of the relationship between corporate governance and performance

本文試圖在分析公司治理結構各方面與公司經營財務業績相關關系的基礎上，將公司績效分解為凈資產收益率代表的公司價值和托賓q值代表的公司價值成長能力兩個指標，分別建立公司價值與公司治理結構各影響因素以及公司價值成長能力與公司治理結構各影響因素關系的多元線性數學模型，利用spss10 . 0統計軟體，對之進行多元線性回歸分析，考察它們之間的相關性和回歸系數，並通過擬和出的回歸方程考察公司短期與長期發展能力與公司治理結構的關系，是對公司治理結構與公司績效關系進行研究的一次有益嘗試。

Resistance heating wire

鎳鉻元線