消散函數 的英文怎麼說

中文拼音 [xiāosǎnhánshǔ]
消散函數 英文
dissipation function
  • 消 : 動詞1 （消失） disappear; vanish 2 （使消失; 消除） eliminate; dispel; remove 3 （度過; 消遣） pa...
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 消散 : 1. （消失） scatter and disappear; dissipate; slake; evanish 2. [醫學] elimination
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. In the 4th section we study the optimal consumption and portfolio wher e the stock price with mixed jump - diffusion process, and get the explicit solution of this problem with maximum expected uti1ity ( uti1ity function with constant coefficient and risk averseness ). in the 5th section of this thesis give an concrete example, consider optimal consumption and investment tactics with jump events, and get the optimal consumption and portfolios under maximize expected utility ( risk detesting utility function with constant coefficient etc. )

    第四章考慮了股票價格的動態過程基於復合跳躍? ?擴散過程下的最優消費及投資策略，並求出了期望效用（常系數風險厭惡型效用函數）最大化下的最優消費和投資組合。第五章考慮了由於外部事件的影響導致股票價格的動態路徑出現跳躍時的最優消費及投資策略，並求出了期望效用（常系數風險厭惡型效用函數）最大化下的最優消費和投資組合。
  2. Chapter 2 clarifies the cryptographical foundation of e - commerce system. it mainly introduces a hybrid cryptosystem using rc2 and rsa algorithm in our application and some message hash function producing message digest provided by ms ca ( microsoft certificate authority ) such as sha - 1, md4 and md5

    主要論述了系統採用的rc2和rsa相結合的混合密碼體制，另外對msca （ microsoftcertificateauthority ）所提供的幾種產生消息摘要的消息散列函數如： sha - 1 、 md4 、 md5等也進行了分析。
  3. Md5 message - digest algorithm 5 ; rfc 1321 is a widely used cryptographic hash function with a 128 - bit hash value

    Md5 （消息摘要演算法5 ； rfc 1321 ）是一種廣泛應用的加密散列函數，使用了128位的散列值。
  4. Thirdly, the process of this algorithm is described in detail, and a comparison of the dc - dispersion results among different size of window functions is made

    然後詳細講述了這種消色散演算法的具體實現步驟，並且比較了在選取不同長度的時間窗函數的情況下，消色散的處理過程和殘余色散量。
  5. In the distributed computing based on message passing, mpi is a popular message passing interface library in parallel programming

    在基於消息傳遞的分散式計算中， mpi （ messagepassinginterface ）是廣受歡迎的消息傳遞介面函數庫。
  6. Secondly, the mathematical radiation extinction model of nonspherical particle is developed based on t - matrix method, and a computer program is designed to calculate the extinction cross section, scattering cross section, absorption cross section and scattering phase function of fixed or randomly oriented axially symmetric particle

    然後根據t矩陣方法，採用回轉體微粒消光特性的計算模型編制出的相應程序，對固定取向和隨機取向的非球形回轉體微粒的消光截面、散射截面、吸收截面及散射相函數進行了計算。
  7. In the 3rd section we introduce how to use mathematical model to study financial problems, whose assets running on mixed jump - diffusion process, first we get the famous non - linear feynman - kac formula by fbsde, then let the solution of the bsde be a investor ' s utility function, and it ' s the so - called recurse utility function. second, we can prove that this utility function is a continue viscosity solution of the variation inequality which we get above, and we get the comparison theory. third we can use the result to financial market to study the optimal consumption and portfolio problem or evaluate the american option

    第三章介紹了利用金融資產價格運行基於復合跳躍? ?擴散過程的數理模型來研究金融經濟問題，通過結合運用正倒向隨機微分方程，推導得到著名的非線性feynman - - kac公式，並且將相應的倒向隨機微分方程的解記為投資者的值函數，這也就是通常所說的效用值函數；接著我們可以證明此效用值函數為某一偏微積分變差不等式的連續粘性解，並且得到了比較原則；這些結果可以應用到金融領域用於消費投資組合的選擇或是美式期權的估值。
  8. The characteristic approximation is used to handle the convection part along the direc - tion of fluid namely characteristic direction to ensure the high stability of the method in approximating the sharp fronts and reduce the numerical diffusion ; the mixed finite element spatial approximation is employed to deal with diffusion part and approximate the scalar unknown and the adjoint vector function optimally and simultaneously ; in order to preserve the integral conservation of the method, we introduce the modified characteristic method

    該方法對方程的對流部分沿流體流動的方向即特徵方向離散以保證格式在流動的鋒線前沿逼近的高穩定性，消除數值彌散現象；對方程的擴散部分採用最低次混合有限元方法離散、同時以高精度逼近未知函數及未知函數的梯度；為保證方法的整體守恆性，在格式中引入修正項
  9. The new method is a combination of characteristic approximation to handle the convection part, to ensure the high stability of the method in approximating the sharp fronts and reduce the numerical diffusion, a smaller time truncation is gained at the same time, and a mixed finite element spatial approximation to deal with the diffusion part, the sealer unknown and the adjoint vector function are approximated optimally and simultaneously

    此方法即為對方程的對流項沿流體流動的方向即特徵方向進行離散，從而保證格式在流動鋒線前沿逼近的高穩定性，消除了數值彌散現象，並得到了較小的時間截斷誤差；另一方面，對方程的擴散項採用混合元離散，可同時高精度逼近未知函數及其伴隨向量函數，理論分析表明，此方法是穩定的，具有最優的l ~ 2逼近精度。
  10. Some regularization. such as cut - off method, contour integration method and general ? - function method, used in calculating casimir energy was discussed too

    並結合casimir能量的計算，對用來消除發散的幾種正規化方法，如截斷法、迴路積分法和廣義黎曼函數法等，作簡單介紹。
  11. According to corba, the dependability and the interface of software bus is analyzed and designed, and then a software bus which is based on orb and has a communication middleware system as the core is implemented by c + + builder. the core of the sotfware bus, communication middleware system, consists of a suit of integrated communication protocols and a set of perfect interface functions, which can make disparate software modules communicate and collaborate with each other in distributed heterogeneous environments. this system is also independent of network address, computer location, operation system, hardware platforrn, programming environment and development tool, so it can solve the problems such as interoperability in system integration effectively

    然後，依照corba標準規范，重點對軟體總線的可靠性及介面進行了分析與設計，並以c + + builder為開發工具，實現了一條以orb為支撐環境、通信中間件系統為核心的軟體總線原型。這條軟體總線的核心部分? ?通信中間件系統包含一套完整的消息通信協議和一組功能完善的用戶介面函數，可方便、可靠、快速地實現分散式異構環境下不同軟體模塊間的通信和協同工作。
  12. This paper generalizes the general equilibrium theorem to the case of indivisible markets where preferences is strictly convex, continuous and strongly monotone. the authors thus give a sufficient condition on the existence of discrete equilibrium

    在消費者偏好函數是強凸、連續和嚴格單調的條件下，給出了不可分市場的一般均衡存在定理，因而也給出了離散空間中一般均衡存在的一個充分條件
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