function variable 中文意思是什麼
function variable
解釋
函數變量-
In this article, considering the character of the one - dimensioned continuum and the cross - section, the varied quotiety of the strain can be presented as the mode function to identify the damage. and inversion of the elastic wave is presented to detect the injures when the area is the variable of the inversion, for the pip usually buried under the earth or enwrapped into the protection make the detection difficulty by the mode of vibrancy. the influence of the area must be considered if the exactness is the pre - requisition
在論文中，考慮到壓力管道的一維性質，提出用應變模態改變變化率的方法對一維的結構進行損傷識別；同時考慮到在實際的工程和現場測試中，壓力管道大多深埋在地下或者有外在的保護膜，不宜進行模態的檢測，所以也考慮利用彈性波的方法對壓力管道的性質參數和截面性質進行反演識別，從而得到我們感興趣的東西，達到損傷識別；一般，在利用彈性波反射方法進行損傷檢測中，不考慮截面效應對彈性波的衰減影響，這就對損傷檢測造成一定的影響，本文考慮截面效應的影響，通過實驗來確定截面效應系數。 -
An exponential function is one in which the variable appears in an exponent.
指數函數是指數中出現變量的函數。 -
Further research of factorization method has been done to make it possible to factorize the multi - variable goal function
對因素分析法進行了進一步的研究，使其可以用於多變量目標函數的分析。 -
A rate - dependent damage evolution modified zwt nonlinear constitutive ralation is adopted, an object function of least square was established according to the experimental results. the searching space of each decision variable was foreordained with conventional optimizing method, and all parameters in zwt model for solidified pf resin were determined with generic algorithms
基於實驗曲線構建了最小二乘形式的目標函數，並採用傳統優化方法輔助設計了各個決策變量的搜索空間，進而用遺傳演算法確定了損傷型zwt非線性粘彈性本構關系中的材料參數。 -
Methods in evaluating integrals, some complex variable methods, infinite series, special function, ordinary differential equations, vector and materials, groups and group representations
計算積分的方法、復數方法、無線級數、奇殊函數、微分方程、向量及矩陣、群論。 -
Reconsideration of seeking for variable range by inverse function
求值域的再思考 -
By introducing proper stretchy variable and constructing boundary layer function, it concludes n - order approximate solution, and using theory of differential inequality, uniformly validity of asymptotic expansion is proved
通過引進適當的伸長變量，構造邊界層函數，得到了解的n階近似值，並利用微分不等式理論證明了解的漸近展開式的一致有效性。 -
Built according to the effect curve reflecting the relationship between fertility factor and crop production, the subordinative function solves the quatitative problem from the gradual change of ambiguous variable. it tallys with the actual situation to define the fertility factor weigh by using hierarchy analysis and combine it with expert ' s knowledge
通過肥力因子與產量的效應曲線建立隸屬函數，解決了模糊變量漸變過程中的定量化問題；引入層次分析結合專家知識確定肥力因子權重，更符合客觀實際，使評價結果更準確。 -
The following is the main content of the study : first, as known to all, the " bidding situation " that includes the factors must be considered during the bidding procedure in construction industry is always hard to make clear. the paper uses the method of layer contribution analysis to solve the variable selection problem in the bidding procedure for the first time. on the one hand, the difficulty of setting the right function during the modeling procedure is avoided, and on the other hand, the types of function in regressive modeling are extended, which makes the study of variable selection is more general
全文主要的研究內容和研究成果概括如下：針對建築行業投標報價過程中難以確定「投標形勢」的難題，首次將層次貢獻分析法應用於投標報價過程中的變量選擇問題，一方面避免了在建模過程中如何正確設定函數形式的困難，另一方面也擴充了回歸建模研究中的函數類型，使變量選擇研究更具有一般性，模擬結果表明：使用層次貢獻分析法刪減變量后的投標報價模型更加符合實際的報價需要。 -
In the chapter two we discussed that the server would first use speed - 1 to serve customers when the system entered the busy state from the empty state, but when the server found the number of customers in the system exceeded the thresh - n during serving, after finishing the service of current customer it would use speed - 2 to serve the next customer till there is no customer. by the method of supplementary variable, l - transition and constructing vector markov, we attained the distribution of the queue length, the distribution of wait - time, the distribution of stay - time, the utility and etc. in the last part of this chapter, we discussed the optimal n * for thresh n which minimizing the cost function and we illustrate the cost function behaves for various parameter selections by a numerical study
在本文第二章討論了當系統從空閑進入忙期時是服務臺以速度1進行服務，但一旦對某顧客服務完畢時如發現系統中的顧客數超過n值時就以速度2服務后續顧客直到系統變空的可修排隊系統，通過構造各種向量馬氏過程和吸收向量馬氏過程，獲得了瞬態、穩態隊長分佈、等待時間分佈、逗留時間分佈、更新周期分佈等一系列排隊指標以及可用度、可靠度等一些可靠性指標，在本章最後又從系統如何更好節省費用角度出發討論了門限n的最優取值問題，並利用mathematic軟體對費用函數進行了數值模擬。 -
The numerical simulation equations of the border curves in term of and as well as the matching rules and the frequency dependence of microwave electromagnetic parameters of a broad - band homogeneous absorbing coating with a finite value of reflection loss are available. these results pointed out the direction to develop rams ". according to the radar - absorbing model, the optimized design of rams with thin - layer, light - weight, broadband and strong - absorbing is available by the simple genetic algorithms, which can effectively conduct the research work of rams to the detail. small but completely, the electromagnetic parameter ' s databases of rams that based on actual microwave absorbers have been set up, the object function has been constructed which conform to the involved goals, the adaptive coding measure is taken which extends the coding length dynamically adapting to the condition of the number of actual absorbers or the precision of thickness and absorber - volume - percentage, the decoding technique is initiated which satisfies light - weight and strong - absorbing as well as thin - layer and broadband by adopting of tracing variable restricting conditions dynamically to control total thickness. when decoding, the variable restricting conditions of thickness are dynamically traced, so gain the radar absorbing coatings of light - weight multiple - layer single - ingredient. similary, of thickness and absorber - volume - percentage, of light - weight multiple - layer multiple - ingredient. also, the rams ' demand to radar - absorb performance as frequency is met making use of the penalty function
作為遺傳演算法的具體實施：根據本實驗室近來研製的吸波材料，建立了吸波材料的相關數據庫；構造了能真實體現「薄、輕、寬、強」優化目標的目標函數；根據材料的實際數量以及塗層厚度精度要求、吸收劑體積分數精度要求，建立了能動態擴展相應碼長的自適應編碼方法；首創了通過動態跟蹤變量的約束條件來控制塗層總厚度的解碼技術，以此實現了在不弱化寬頻、高強的吸波性能目標的同時，兼顧到薄層、輕質的使用性能要求；在解碼時通過動態跟蹤厚度變量的約束條件，實現了多層單組分吸波塗層對重量輕的要求；通過動態跟蹤厚度變量的約束條件和吸收劑體積分數的約束條件，實現了多層多組分吸波塗層對重量輕的要求；使用權重系數變化法，實現了吸波塗層的分頻段吸波性能要求。 -
The gpss have one output and two inputs which are speed error and its derivative. selecting triangular function as fuzzy variable ' s membership function, mamdani max - min synthetic method as fuzzy inference method and centroid method as denazification method, fuzzy control rules are given according to the control expectation of governor and the experience of operating staff
這種模糊gpss採用二輸入單輸出結構，以機組轉速誤差及其導數為輸入量，以三角形函數作為模糊量的隸屬函數，根據水電機組穩定控制要求和操作人員的經驗制定控制規則，以mamdani的max - min合成法和重心法分別作為模糊推理方法和清晰化方法。 -
A great variety of products with alarm export function and speed variable fan
產品種類廣泛，還備有警示輸出功能alarm及可變速風扇等多功能風扇。 -
The method of compond target function variable weighting was adopted for solving compond target optimization problem, and compond target was put into single target
在計算中，為達到無刷直流電動機全局優化的目的，採用隨機產生離散初始種群及隨機交叉操作和變異操作方法。 -
A variable field in a class is similar to a global or function variable, except that it is scoped to the class and it can have various attributes governing its visibility and usage
類中的變量欄位類似於全局或函數變量，不同的只是它的作用范圍是該類，而且它可以用多個修飾符來指定其可見性和用法。 -
A robust model predictive control method is presented with an appropriately constructed robust contractive set as the terminal set of its optimization problem and with the cost function formulated from the gauge function of this set regarding state variable
以魯棒可控收縮集作為預測控制在線優化問題的終端約束集，並用基於該集合的尺度函數構造成本函數，從而得到一種基於線性規劃的魯棒預測控制方法。 -
A supplementary variable technique is used to obtain the steady - state function and the steady - state probability generation function of the number of customers in the system
採用補充變量法，首先建立了系統穩態下的狀態轉移方程，通過求解得到了穩態下系統隊長的概率母函數，進而計算出穩態下系統的平均隊長。 -
From the performance analysis of the inverter heat pump air conditioner, heat pump type vrf ( variable refrigerant flowrate ) air conditioning system, two - stage compression inverter air source heat pump, and cooling / heating / how - water inverter air source heat pump, the expanded function and performance improvement of air source heat pump from the variable frequency technology are analyzed in this paper
摘要以變頻熱泵空調器、熱泵型vrf空調系統以及我們提出的雙級壓縮變頻空氣源熱泵系統、供冷/供熱/供生活熱水變頻空氣源熱泵系統為研究對象，分析變頻技術引入空氣源熱泵系統帶來的功能拓展和性能提升。 -
Emerged in the interrogative pronoun, the expression ways of ( dingzhen ) rhetoric and " be listed in the order of number " were commonly used ; most chapters rely mainly on four - word rhyme, and have the phenomenon of mixed use of rhyme such as - ( dong dong ), ( yu hou ), ( zhi zhi ) ( zhi zhl ) etc. some chapters are documents of xizhou dynasty displaying frequent use of modal particle ( zai ) and its function is variable ; the first pers
「而」與「乃」的作用主要是作定語，它們在《逸周書》中的分佈呈互補狀態，即用「而」之篇不用「乃」 ，用「乃」各篇亦不用「而」 ，這表明相關各篇的作者方言不同或所處時代不同。此外，第一人稱代詞「余」產生較早，甲骨文中己有， 「予」則是戰國中期文獻中常用的。 -
The general density function of sum of indepentent random variable of uniform distribution on [ 0, 1 ] is listed by enumerating a few special cases, where the mathematical inductive method is used
摘要通過簡單枚舉一些特例，列出服從均勻分佈的多個獨立隨機變量和的密度函數一般公式，然後用數學歸納法進行嚴格的證明。
分享友人