partial differential equation 中文意思是什麼

partial differential equation 解釋
偏微分法
  • 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...
  • differential : adj 1 差別的，區別的；特定的。2 【數學】微分的。3 【物、機】差動的，差速的，差示的。n 1 （鐵路不...
  • equation : n. 1. 平衡，均衡；平均，相等。2. 【數學】方程式，等式。3. 【天文學】（時）差；均分，等分。4. 【化學】反應式。
  1. As the hard core of this paper, this chapter gives a frame which will help us to understand the new economic evaluation method of oil - gas projects better at first, then discusses the binomial model and the parameters estimating methods of abandon real options in the exploring phase, the partial differential equation model and the parameters estimating methods of the shut - down real options in the developing phase respectively. in the course of ascertaining the parameters estimating methods, this chapter discusses the application of a mathematic method - the monte carlo simulation in this article particularly

    做為全文的核心，先提出勘探項目經濟評價新方法研究的總體框架，然後具體討論確定勘探階段放棄期權的二叉樹實物期權模型與參數確定方法、開發階段停啟期權的偏微分實物期權模型與參數確定方法，在參數確定過程中，詳細闡述了蒙特卡羅模擬這一數學工具在本論文方法中的應用；第五，案例分析及方法應用探討。
  2. We reduce the cauchy problem of equations ( 8 ), ( 9 ) to an equivalent integral equations by the fundamental solution of a second order partial differential equation. then using the contraction mapping principle and the extension theorem of the solution we prove the existence and uniqueness of the global generalized solutions and the existence and uniqness of the global classical solution

    先是通過一個二階偏微分方程的基本解，把imbq型方程組歸） ， p ）的初值問題轉化為等價的積分方程組，然後利用壓縮映射原理、解的延拓定理等證明了歸） ，問的初值問題的整體廣義解和整體古典解的存在唯一性
  3. A class of implicit difference schemes with hich accuracy and absolute stability for solving parabolic partial differential equation

    拋物型方程的一族高精度恆穩定的隱式差分格式
  4. By use of - perturbation method with spatial discretization, the hydraulic transient system controlled by quasilinear partial differential equation was converted to a time - continuous linear system, so that the inverse problem of hydraulic transients under limited pressure could be sol ed with the optimal control theory for time - continuous systems

    採用-攝動法並經過空間離散，將由擬線性偏微分方程式控制制的有壓瞬變流系統轉化為時間連續線性系統，從而使有壓瞬變流限壓控制反問題能應用時間連續系統最優控制理論來求解。
  5. An element is lumped if its terminal relation is an ordinary differential equation as opposed to a partial differential equation.

    如果一個元素的端子關系是一個常微分方程，其反面為一個偏微方程，則它是集總的。
  6. Ordinary differential equation, first order differential equations, 2nd order differential equations, power series solution of differential equation, laplace transform, fourier series and transform, matrix, eigen value problem, partial differential equation

    常微分方程式、一階微分方程式、二階微分方程式、微分方程式級數解、拉氏轉換、復利葉級數與轉換、矩陣、本徵值問題、偏微分程式。
  7. Since the project profits, the underlying assets, could become negative, a strategy of dividing the profits into the price and the cost is adopted to reduce the three uncertain factors to two. and then the stochastic partial differential equation is derived to satisfy the real options price that is induced by two underlying assets

    針對項目收益即標的資產不滿足恆正的問題，提出價格與成本分離的對策，把三種不確定因素簡化成兩種不確定因素，進而推導出源於兩種標的資產的實物期權價格所滿足的隨機偏微分方程。
  8. A new economic evaluation method of oil - gas exploration and development is established in the article. the hard core of the article is that : discussing the applying theory of the oil - gas exploration and development economic evaluation based on the real options, analyzing and confirming the binomial model of the abandon option in the exploring phase and the partial differential equation of the shut - down option in the developing phase fitting for most oil - gas projects, ascertaining correlative factors based on real projects and the methods how to estimate parameters

    本文要構建一種基於實物期權法的油氣勘探開發類項目的經濟評價方法，探討基於實物期權法的油氣勘探開發經濟評價方法的應用原理，提出適合大多油氣勘探開發項目的勘探階段放棄期權二叉樹模型和開發階段停啟期權偏微分方程，確定基於該類項目實際的相關參數，並提供解決參數估計的方法。
  9. A variety of mathematical models based on continuous equation and the momentum equation and many solutions partial differential equation value computational method in the open canal turbulent flow solution, still could widely apply and yield the satisfactory result

    但是，非穩態的navier - stokes方程對于明渠水流的瞬時運動還是適用的，以連續方程和動量方程為基礎，建立的各種數學模型和許多求解偏微分方程的數值計算方法在明渠紊流的求解中仍能廣泛應用。
  10. Abstract : in this paper, we consider a class of irrational rumber which can be approximated by rational number at most exponental order ， applications are given in partial differential equation and dynamical systems

    文摘:文中考慮一類最多可以指數地有理逼近的無理數，並指出它們自然地存在於偏微分方程解析理論及動力系統中
  11. On the basis of the theory about water potential in soils, a partial differential equation of water movement in unsaturated soils is derived, which chose volumetric water content as the control variable. the numerical solution of the equation using finite difference method is discussed in this paper, and the modality to calculate water movement in slope considering rain infiltration

    基於非飽和土的土水勢理論，本文推導了以體積含水率為因變量的二維非飽和土的水分運動方程，並給出了用有限差分法來求解此偏微分方程的方法，得到了考慮降雨入滲影響的土坡水分運動的計算程式。
  12. Based on the viewpoint of interaction between waves in plasmas, the partial differential equation that causes the spectral lines broadening has been deduced from radiation transfer equation of high - frequency electromagnetic waves in plasmas. the numerical solution has been obtained by using the fortran program we compiled. we concretely calculated the spectral lines widths of and fraunhoferx 3704 in corona, fj / a4923. 9 in dwarf nova oy car and f. / a4934 in the variable star rr lyrae

    本文從等離子體波與波相互作用觀點出發，由高頻電磁波輻射轉移方程導出了引起譜線寬度變化的偏微分方程，編寫fortran程序求解偏微分方程的數值解，具體計算了日冕綠線f _ exiv 5303和夫朗禾費線3704 、矮新星oycarf _ eii 4923 . 9 、天琴rr型變星f _ ei 4934的譜線加寬值，對以上各譜線加寬中的等離子體致寬效應作了初步計算。
  13. It also studies the problem of real option pricing when the underlying assets follow the pure jump poisson, mixed jump - diffusion merton and mean - reversion model, and obtains the price formula or partial differential equation to price and hedge the real option. when the value of real option can not separate from the value of project, or the uncertainties are endogenous to real option holder, it is difficult to pricing the real option by the ways of no - arbitrage. in this paper we present a approach named valuation with comparison, its basic point is to value the project or program with flexibility by means of decision tree analysis ( dta ) and stochastic dynamic programming ( sdp ), and the results are compared with that of non - flexibility, finally,

    當實物期權的價值不能從項目價值中分離出來，或者影響基本資產價格的不確定性內生於期權的持有者時，此時實物期權的價值一般難以直接利用無套利方法得到，本文通過對現有文獻進行歸納，提出一種比較定價法，其基本要點是利用決策樹、動態規劃法或二叉樹模型等技術來確定嵌有柔性的項目或方案的價值，然後將其與沒有柔性的項目或方案進行比較，從而獲得各種柔性的價值，作為這種方法的一個應用，本文研究了柔性勞動合約的設計與定價問題，研究表明，對企業重要員工採用長期勞動合約，而對一般員工採用短期合約可以節約勞動力使用成本。
  14. Using numerical solution for inverse problem in partial differential equation, a method for initializing groundwater table on base one pumping test and recharge estimation on two pumping tests were presented. then a numerical model for groundwater table forecast was developed

    本文利用對偏微分方程逆問題的數值求解，給出了由一組抽水井實測水位計算地下水初始水位以及由二組抽水井實測水位值估算總補給量的方法。
  15. Then, we use both the method of multiple scales and the galerkin approach to give the perturbation analysis of the governing partial differential equation

    綜合運用多尺度方法和galerkin離散法對橫向振動的非線性偏微分方程進行離散和攝動分析，得到了三種共振情況下的平均方程。
  16. The equation of motion for the planar cantilever is obtained by using the theory of elastic mechanics. then, the governing partial differential equation is analyzed by two processes

    對于平面運動懸臂梁，首先利用彈性力學方法得到運動微分方程，然後利用二種方式對這個非線性偏微分方程進行離散和攝動分析。
  17. In efgm, in order to get a numerical solution for a partial differential equation, the shape function is constructed by moving least squares ( mls ), the control equation is derived from the weak form of variational equation and essential boundary conditions are imposed by penalty function method

    它採用移動最小二乘法構造形函數，從能量泛函的弱變分形式中得到控制方程，並用罰函數法施加本質邊界條件，從而得到偏微分方程的數值解。
  18. According to the heat conduction spreading only in the direction of local surface normal on infinitesimal control surface and laser machining reaching steady state instantaneously, a three - dimensional transient partial differential equation was translated into a one - dimensional constant differential equation

    根據在微元控制面上熱傳導只發生在表面法向，並且激光加工在暫態達到準穩態，將三維暫態偏微分方程轉化為一維常微分方程。
  19. A method for finding similarity solution of - dimensional nonlinear partial differential equation

    自相似解的簡易求法
  20. Furthermore, the paper puts forward a successful trial solution to solve the partial differential equation for that necessary conditions

    ）公式，提出了求解該一階條件中的偏微分方程的成功率較高的試探求解法。
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