two-variable function 中文意思是什麼
two-variable function
解釋
雙變數函數-
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 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。 -
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。 -
From mathematical models for inverse scattering in two dimensional inho - mogenous media including variable impedance, all kinds of probable mixed variable impedance boundaries and cracks, from interior and exterior trans - mission problems and radiation condition, ill - posed integral equation and indicator function method are formulated for the diverse of boundary iden - tification. it is shown that the kernel of the integral equation characters the boundary of scatterer, which is determined by solving it by virtual of regularity method, meanwhile, some numerical tests are given. 3
在二維非均勻介質逆散射邊界識別的數學模型（包括一般的非均勻介質，正交各向異性介質，變阻抗介質，各種可能的混合變阻抗邊界問題）下，由內透射問題和外透射問題以及輻射條件，推導了上述介質的邊界識別的積分方程和指示函數方法，由於積分方程的核充分表徵了散射物的邊界，由此說明只要利用正則化方法求解該積分方程，就可以確定散射物的邊界。 -
In order to estimate an appropriate housing production function and to estimate related elasticity of substitution between land and capital, we estimate two traditional production functions, namely constant elasticity of substitution ( ces ) and variable elasticity of substitution ( ves ), by applying a firm - level data set in taiwan from 1981 to 1992
為正確的查找適當的住宅生產函數，以及其中對應的土地與資本之間的替代彈性，本文分別對常規的固定替代彈性模型（ ces ）與可變替代彈性模型（ ves ）加以估計。 -
Abstract : this article is based on the theory of fuzzy optimization design. the running speed and width and initialtensileforce and interval distance of roller are its design variable. the objective function is the minimum power loss of the traction motor. it constructs the fuzzy optimization mathematical model of the two - way running belt conveyer ' s main parameters
文摘:以模糊優化設計理論為基礎，以雙運帶式輸送機輸送帶的運行速度、寬度、初張力及托輥間距為設計變量；以牽引電機運行的最小功率消耗為目標函數，構造出了雙運帶式輸送機主參數的模糊優化數學模型。 -
The maximum of quadratic function and the extremism of two variable function based on the positive deficite property
正定性與二次函數的最值及二元函數的極值 -
Such methods are generally decreasing method, such as, feasible direction methods, constrained variable metric methods, etc. another class is sub - problems method, which approximates the optimal solution by solving a series of simple sub - problems, such as penalty function methods, trust region methods, and successive quadratic programming sub - problems, etc. the same property of two classes of methods is that they determine whether the next iterative point is " good " or " bad " by comparing the objective function value or merit function value at the current point and next iterative point
另一類叫做子問題演算法，這種演算法是通過一系列簡單子問題的解來逼近原問題的最優解，如罰函數法、信賴域演算法、逐步二次規劃演算法等。這兩類演算法的一個共同特點是，通過比較當前點和下一個迭代點的目標函數值或評價函數值來確定迭代點的「優」或「劣」 ，若迭代點比當前點「優」則該迭代點可以被接受，否則須繼續搜索或調整子問題。 -
The students are believed in too. i did a teaching experiment on solving the maximum and minimum value of quadratic function in one variable with two different teaching ways : asking questions and dialogue. these two periods are studied and analyzed here
本人用提問與對話兩種不同的教學方式對一元二次函數在閉區間上的最值這一數學內容進行了一次觀察與分析的教學嘗試，並對這兩節課進行了個案研究與分析。 -
Simple algorithm for probability density of function in two random variable
關於二維隨機變量函數的概率密度的一種簡便演算法 -
In this dissertation, we study some stability properties for two impulsive differential systems employing lyapunov ' s second method : one system is impulsive hybrid differential system : the other is differertial system with impulses at variable time : herein these stability results do not require a lyapunov function to have a negative definite first derivative along trajectories of the system, further we may not require its derivative to restrict the function increasing growth ; and we do not give conditions on continuous portion or discrete portion of the systems respective ! } ", hence we can give mixing conditions on them
在這篇碩士學位論文中，我們主要藉助lyapunov第二方法的思想，討論了兩類脈沖微分系統：脈沖混合微分系統和具有依賴于狀態脈沖的微分系統的穩定性問題。不同於以往的研究，本文所找的lyapunov函數沿系統軌線的一階導數不再局限於常負或定負，甚至不用其導數來限制其增長速度；不再局限於對離散或連續部分分別設置條件，而是對其離散和連續部分設置混合條件。 -
Judging extreme values of two - variable function through partial derivative of higher order
利用高階偏導數判定二元函數極值 -
Basic function : heat source is anti - blast infrared - tube made of microcrystal quartz ;, continuosly variable mattress tilt, radiant head can two - directory rotate on horizon, x - ray cassette shelf under infant bed ; high - bright erdiate lamp detect lightness ; advanced microprocessor control temperature system, auto - heated mode, separately display set temperature and real temperature ; 4sound - light alarm capacity : set - off, fan, sensor, over temp.
基本配置：採用了防爆型微晶石英紅外管作輻射熱源，嬰兒床斜傾角度有級可調，輻射頭可在水平位置上雙向隨意轉動，嬰兒床下內設有x光暗盒架，檢查照明採用高照度射燈，溫度控制系統採用先進的計算機控制，自動加熱方式，設定溫度和實際溫度分屏顯示，有四種聲光報警功能（溫度上下偏差、傳感器、斷電、超溫） 。 -
Basic function : heat source is anti - blast infrared - tube made of microcrystal quartz ; continuously variable mattress tilt, radiant head can two - directory rotate on horizon, x - ray cassette shelf under infant bed ; high - bright eradiate lamp detect lightness ; advanced microprocessor control temperature system, autoheated mode, separately display set temperature and real temperature ; 4 sound - light alarm capacity ; set - off, sensor, over temp
基本配置：採用了防爆型微晶石英紅外管作輻射熱源，嬰兒床傾斜度有級可調，輻射頭可在水平位置上雙向隨意轉動，嬰兒床下內設有x光暗盒架，檢查照明採用高照度射燈，溫度控制系統採用先進的計算機控制，自動加熱方式，設定溫度和實際溫度分屏顯示，有四種聲光報警功能（溫度上下偏差、傳感器、斷電、超溫） 。 -
We then consider the n policy m / g / 1 queueing model with two priorities. by using the supplementary variable method to analyze the state probability equations, we derive the generating function of queueing length distribution and the mean queue length in the buffer of the communications network. and through further discussing for the queue with various priorities, we derive the generating function of queueing length distribution and the stationary queueing length in queue models with various priorities
其次研究帶有兩個優先權的n策略m g 1排隊模型，利用補充變量法對狀態概率方程組進行分析，得出了此排隊系統隊長分佈母函數及通信網緩沖器中的平均隊長，並對不同優先權隊列的進一步討論，得出了不同優先權隊列的隊長分佈母函數及穩態隊長。 -
Basic index and reliability principle of steel structure, and geometric significance are analyzed. the main computation methods, such as two order moment method, separation function and separation item coefficient, linear separation, and central point, check point, monte - carlo are presented. reliability analysis under relative variable, boundary determination ( single and double boundaries ) is analyzed
研究了鋼結構可靠度基本原理、可靠指標的幾何意義，分析了鋼結構可靠度計算的一次二階矩方法、分離函數和分項系數法、線性分離法，以及中心點法、驗算點法、蒙特卡羅（ monte - carlo ）法，提出了變量相關情況下的結構可靠度分析方法、可靠度界限分析方法（單側界限與雙側界限） ，基於極值分佈的可靠度分析，並對鋼結構動力可靠度分析方法進行了初步探討。 -
First, system must gain the picture files from the video dada, and for checking out meters " quality this special function by using mathematics morphologic to preprocess the picture and hough translation to get alert variable to achieve the image monitor. we tried two methods to achieve the function and choose the best one to practice used in the system
本文首先從視頻數據中解析出圖像；運用數學形態學對圖像進行預處理以及hough變換獲取告警變量，嘗試了兩種告警演算法並選擇使用最好的一種；研究了動態視頻數據的實時處理；用drictx做可行性模擬試驗，驗證系統可靠性。 -
At first, buck - boost circuit is detailed analyzed and derived strictly in the theory, and on the base, the current of the inductance and the output voltage are analyzed elaborately. when the input voltage is the ac voltage with the nomal frequency, the two variable quantity are analyzed and some conclusions are concluded by means of equal length separation methods and introducing function methods and derivative - equation methods. and this is the basis of the next proceeding
首先，對buck - boost電路進行了嚴謹地理論推導，先對buck - boost電路在輸入為直流電壓時的工作情況進行了分析；在此基礎上，對輸入為工頻交流電壓時的電感電流、輸出電壓作了詳細分析，利用等間距離散化方法、引入函數法、微分方程法分別對變量進行了推導和總結，為下一步工作奠定了理論基礎。 -
This paper looks soil as homogeneous stationary random fields, expatiates the application of the random process in the geotechnical engineering and establishes the basic concept, its assortment and digital feature of random process and random fields, tests whether this random fields is a stationary process and whether it is ergodic, applies correlation function theory and variable function theory in the study of the random fields of soil parameter, acquires the relation of the two theories and draws the conclusion that they are equal essentially, fits the measured curve by using the correlation function method, variable function method and other methods, and acquires the value of correlation distance, applies the random fields theory of soil parameter in actual engineering, estimates the value of elevation and other soil parameters of 92 holes in baoding city and the results are satisfying
將相關函數理論和變異函數理論分別應用於巖土參數隨機場的研究中，通過運用這兩種理論對巖土參數特性的描述，得出這兩種理論的內在聯系及其本質一致性的結論。分別運用相關函數法、變異函數法及其它求解相關距離的方法對實測函數曲線的擬合，得出描述空間相關程度的度量? ?相關距離（或變程） ，對用這幾種不同方法得出的相關距離（或變程）值進行了比較，並對這幾種方法的優劣和實用性做了評比。將巖土參數隨機場理論運用於工程實際，對保定市區某場地的92個鉆孔的各層位的層底標高及其它幾種常見的巖土參數做出了估計，預測結果比較令人滿意。 -
Two problems concerning solid variable function
關于實變函數論的兩個問題
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