partial derivative 中文意思是什麼

partial derivative 解釋
偏導數, 偏微商
  • partial : adj 1 一部分的,局部的,不完全的。2 不公平的;偏袒的。3 偏愛的,特別歡喜的 (to)。4 【植物;植物...
  • derivative : adj. 導出的;派生的。n. 1. 派生物。2. 【語言學】派生詞。3. 【化學】衍生物。4. 【醫學】誘導法[劑]。5. 【數學】導數,紀數,微商。adv. -ly
  1. We will replace the partial derivative by an ordinary derivative.

    我們可用普通微商代替偏微商。
  2. 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。
  3. The error is related to the two rank partial derivative of the flux function to each factor and the mean variance distribution of each factor on each grid point. the statistical - dynamical parameterization scheme involves the both conditions, therefore, it is more practical for the east china moist region than the mosaic method

    另而自乞計一動刀寧腸則院含考慮了要紊的二階偏導數及其在網格元上的分佈的均方差,因而該方案比馬賽克法考慮更為周全(至少在東部涅潤區如此) 。
  4. To the large - scale atmosphere, we separate the terms of the horizontal vorticity converting into the vertical vorticity, which considered as the baroclinic terms, from the terms that not including horizontal vorticity by the rules of the p coordinate transforming to the z coordinate in the traditional vorticity equation, and carry out the scale analysis, and then conclude that the baroclinic terms are able to reach the same magnitude grade as the partial derivative of the vertical vorticity to time when it takes place the large scale precipitation in the summer monsoon period in china. by analyzing the game reanalysis data from april to august in 1998 in the region of chinese continent, we found that the baroclinic terms is important to the large - scale cyclone developing above the 600hpa, and the magnitude changing of the baroclinic terms is nearly in - phase as the monsoon movement, so which imply exactly that the magnitude changing of the baroclinic terms is the one of the natural characters of the summer monsoon evolution and equivalent to the movement rule of the subtropical high of the western pacific

    在p坐標垂直渦度方程中,利用p坐標向z坐標轉換的公式將水平渦度向垂直渦度轉化的所有項分離出來,這些項具有明顯的斜壓特徵,對其進行尺度分析后,得出在可以忽略潛熱釋放對渦度影響的對流層中、高層,此轉化項是大尺度斜壓渦度發展的重要項。通過對1998年48月的game再分析資料進行實際計算也發現,轉化項在東亞夏季風上升支的600hpa及以上層次對垂直渦度的局地變化貢獻很大,不能忽略。同時發現水平渦度向垂直渦度的轉化在南海季風爆發時和江淮梅雨入梅及發展過程中均有指示性意義,在南海季風爆發以後,在中國東南部地區,轉化項的大小與夏季風的活躍和中斷等活動有著幾乎一致的變化規律,這從側面也指出了,此轉化項的變化是夏季風演變所具有的本質特徵,並且它反映出了西太平洋副高在中國大陸的活動情況。
  5. The integral calculus formula is deduced, in which the first derivative of physical measures of system with respect to time equals the partial derivative of physical measures of control field to time plus clear flux of physical measures passing the control line within unit time

    推導出交通流系統所具有的物理量對時間的全導數的積分公式,即系統內物理量對時間的全導數等於控制域內該物理量對時間的偏導數與單位時間經過控制線的該物理量的通量之和。
  6. Secondly, according to the requirement of the parametric sensitivity analysis, the method based on orthogonal experiment is chosen to cope with the difficulty of obtaining the sensitivity analysis through the partial derivative of explicit function. and it also overcomes the traditional single factor cyclical method ' s shortcoming ? impossibility to analysis interactional factors. furthermore, some significative conclusions are acquired from the sensitivity analysis

    其次根據軌跡優化問題靈敏度分析的需要,選取基於正交試驗的靈敏度分析方法,解決了軌跡優化問題沒有顯函數,無法通過求其偏導數獲得靈敏度的難點,同時克服了傳統的單因素輪換法對該類問題進行靈敏度分析帶來的弊端? ?無法對有相互作用的因素進行靈敏度分析,並通過對軌跡優化問題進行靈敏度分析,得出了一些有益的結論。
  7. According to the characteristics of tv - guided bombs, we put forward tv - guided image tracking algorithms and adaptive updating algorithms for templates based on partial derivative correlation function - then we designed a partial derivative correlation tracker and carried out simulation test for a group of gray - scale images

    摘要針對電視制導炸彈的特點,提出一種基於偏導相關函數的電視圖像跟蹤演算法和模板自適應更新演算法,在此基礎上設計出偏導相關跟蹤器並對一組灰度圖像進行模擬試驗。
  8. At first, we took the kdv equation and the kdv - burgers equation as examples to point out the fact that it is not necessary to obtain the value of the order of solitary wave solutions by equating the highest nonlinear term and the highest - order partial derivative term in this method. meanwhile, we obtained some exact solitary wave solutions of the kdv - burgers equation

    首先以kdv方程和kdv - burgers方程為例,指出在該方法中,孤立波解的階數通過平衡非線性方程的非線性項和最高階導數項得到是不必要的,同時也得到了kdv - burgers方程的兩組精確解。
  9. Through simulation and calculating the four models, the influence on proportion coefficient, integral time constant, derivative time constant and partial feedback coefficient for system performance is analyzed. the ideal reference value of every parameters and step respond curves are given. the simulation result may be used as reference for making analogue controller or digital controller

    通過對這四種模型的模擬研究,分析了各模型中比例系數、積分時間常數,微分時間常數及局部反饋系數對系統性能的影響,並給出了各參數較為理想的參考值及階躍響應曲線,模擬結果對製作模擬控制器及數字控制器有一定的借鑒作用。
  10. 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
  11. Powell method is used in the paper to calculate the reliability index, this method can avoid the complexity of partial derivative calculating, and the example shows that this method is correct

    5 、研究了用方向加速法來進行結構可靠指標的計算方法,該法可以避免對功能函數進行導數計算,並已算例說明該方法的正確性。
  12. Based on the duncan - chang e - b model, which can simulate earth - rock dam ' s non - linear mechanics behavior well, the paper introduced the nature coordinate system to the stress space. in this way, hydrostatic stress and stress deviator were decomposed each other. therefore, a partial derivative formulation about displacement and parameter in finite element evaluation was derived in a closed form

    論文以能較好模擬土石壩非線性力學行為的duncan - change - b模型為基礎,通過引入應力空間下的自然坐標系,分解應力球量與應力偏量,從而導出一個在有限元計算中,位移對參數偏導數的閉合形式公式。
  13. The difference between an ordinary and a partial derivative was at first not explicitly recognized.

    通常的導數與偏導數的區別在一開始並未被人們明確地認識。
  14. Some theoretical extensions are first made in this paper, with the following concepts, theorems and models presented - partial derivative and high - order partial derivative of waveform polynomial for describing the relation between input transitions and output transitions and redefining circuit sensitization ; the concept of waveform polynomial vector for describing a circuit with multiple inputs and outputs, especially for the unified description of circuit modules ; a sensitization theorem for sequential circuits for the purpose of exact timing ; theorems for transition numbers in circuits used to solve problems on noise, power consumption and etc ; waveform polynomial description for sequential circuits used to give a unified form for the function and timing behavior of a sequtial circuit ; and a data structure of generalized list for the representation and manipulation of waveform polynomial

    波形多項式偏導和高階偏導的新概念,用來精確描述輸出跳變與輸入跳變之間的關系,並在本文中用來重新定義了電路的敏化和冒險;波形多項式向量的概念,用於形式化描述實際中的多輸入多輸出的電路,特別是用於統一描述電路模塊的功能及定時行為;時序電路的敏化定理,用於時序電路精確定時分析;波形多項式描述跳變及跳變數的定理,用於噪聲、功耗等問題的描述;時序電路的完整波形多項式描述,用於時序電路功能和定時行為的統一描述;波形多項式的多項式符號表示和運算的模型以及數據結構,用來實現對波形多項式比較有效的描述和運算。
  15. Tabular method of calculating boolean partial derivative and difference of the oc type logic function

    型邏輯函數的布爾偏導數與布爾差分的表格方法
  16. Besides, i also bring forward a kind of variable vector distance membership function ? auss distance membership function. for the convenience of using the distance membership function, i also get the general formula of partial derivative according to the parameter. chapter 5 : using nts fis to model the cart - pole system and compare the result when using anfis

    作為對ntsfis建模的補充,提出了一種基於變量向量的距離隸屬函數? ?高斯距離隸屬函數mgaussmf ( ; , _ 0 , ) ,並推導出了高斯距離隸屬函數mgaussmf ( ; , _ 0 , )對其參數求偏導的一般公式。
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