滿射函數 的英文怎麼說

中文拼音 [mǎnshèhánshǔ]
滿射函數 英文
bijection
  • 滿 : Ⅰ形容詞1 （全部充實; 達到容量的極點） full; filled; packed 2 （滿足） satisfied; contented; conte...
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 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
  • 滿射 : bijection
  • 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. On the basis of analyzing limitation of using penalty function method dealing with constraints, an amending method based on the knowlege regulating strategy is suggested to amende the mapping relationship of infeasible constraints in decoding, thus making the regulated individuals map into the space to obtain the most promising optimal solution

    在分析懲罰函數法對約束處理效率較低的情況下，提出了一種基於知識調整策略的修正法，對解碼中不滿足約束的映射關系進行修正，使調整后個體映射到最有希望獲得最優解的空間中。
  2. The basic properties of stable functions are given firstly. distributive dcpo is defined then and the stable function on this kind of dcpo is discussed in detail

    給出了范疇slp的滿子范疇笛卡爾閉的必要條件，即證明了slp的滿子范疇中的指數對象就是穩定映射構成的函數空間
  3. Six distinguished computer experts including scott defined the weight of continuous lattices in the first reference and proved that the three kind of weights ? ei g ht of continuous lattices, weight of the related scott topological space and weight of the related lawson topological space, are consistent

    證明了幾類分配的domain范疇即sdscs 、 sdccs 、 sdacs是slp的閉的滿子范疇，指出在slp的滿子范疇中指數對象同構于穩定映射所成的函數空間。
  4. A k - role assignment of graph is an assignment of role, if g is a graph, a k - role assignment is a surjective function mapping each vertex into a positive integer 1, 2. . . k, so that if x and y have the same role, then the sets of roles assigned to their neighbors are the same

    -角色分配就是一個角色分配，也稱為角色染色。 g是一個圖， -角色分配就是把圖上各頂點映到正整數{ 1 ， 2 ， … ， }的一個滿射函數，它滿足：如果x和y有相同角色，那麼與之相鄰接的點的角色集合也相同。
  5. We detailed toeplitz operator with unomodular symbol, and generated the theorem proved by michael sand in [ 2 ] from h to h + c ( t ). in the second part of this paper, the author discussed simply when multipliction of two toeplitz operators with symbol in h + c ( t ) or in l. we got two conclusions by analyzing symbol of toeplitz operators. the last, we investigated whether multiplication of two toeplitz operators, which range included all non - cyclic vectors of backward shift, is surjective, and partly answered the question about surjective toeplitz algebra posed by michael sand in [ 2 ]

    對于單個的toeplitz運算元，考慮其符號的內外分解，得到了它的滿射只與其幺模部分有關的結論，詳細地討論了符號為幺摸函數的toeplitz運算元的各種情況，在討論符號在h ~的特殊情形時，推廣michaelsand [ 2 ]中的定理2到h ~ + c （ t ） ，第二部分簡單地討論了符號在h ~ + c （ t ）以及l ~中的兩個toeplitz運算元的乘積的滿射情況，先對toeplitz運算元的符號進行分析得到兩個結論，最後考察了toeplitz運算元的乘積的值域包含后移運算元的所有非循環向量的滿射情況，部分地回答了michaelsand在[ 2 ]中提出的toeplitz代數滿射問題。
  6. In the third chapter, we will study the existence and uniqueness of the classical global solution and generalized global solution to the periodic boundary value problem and the cauchy problem for this kind of equation. in the second chapter, we study the following nonlinear wave equation of higher order : with the initial boundary value conditions or with where a1, a2, a3 > 0 are constants, ( s ), f ( s0, s1, s2 s3, s4 ) are given nonlin - ear functions, u0 ( x ) and, u1 ( x ) are given initial functions. for this purpose, by green ' s function of a boundary value problem for a fourth order ordinary differential equation we first reduce the problem ( 1 ) - ( 3 ) to an equivalent intergral equation, then making use of the contraction mapping principle we prove the existence and uniqueness of the local classical solution for the intergral equation

    本文分三章，第一章為引言；第二章研究一類非線性高階波動方程的初邊值問題的整體古典解的存在性和唯一性，以及古典解的爆破；第三章研究此方程的周期邊界問題和cauchy問題的整體廣義解和整體古典解的存在性和唯一性，具體情況如下：在第二章中，我們研究一類非線性高階波動方程的如下初邊值問題：或或其中a _ 1 ， a _ 2 ， a _ 3 0為常數， （ s ） ， （ s _ 0 ， s _ 1 ， s _ 2 ， s _ 3 ， s _ 4 ， ）為已知的非線性函數， u _ 0 （ x ） ， u _ 1 ， （ x ）為已知的初始函數，為此，我們先用四階常微分方程邊值問題的green函數把上述問題轉化為等價的積分方程，然後利用壓縮映射原理證明此積分方程局部古典解的存在性和唯一性，又用解的延拓法證明上述問題整體古典解的存在性和唯一性，主要結果有：定理1設u _ 0 （ x ） ， u _ 1 （ x ） c ~ 4 [ 0 ， 1 ]且滿足邊界條件（ 2 ） ，若以下條件滿足：其中a ， b月0為常數， w
  7. A modified simple green function technique was used to calculate 2d coefficients while strip theory was used to calculate 3d coefficients

    為計及水深的影響，採用簡單格林函數方法求解剖面水動力系數，提出了滿足輻射條件的一種較方便的數值方法。
  8. The material ways are to model the honeycomb wall as an impredence surface, to express the infinite honeycomb by using periodic green ' s function, and using method of moment to establish the mathematic model, in applying the methods of moments, we choose the roof function as basic function and choose the razor function as test function ; by equating the incident field to sum of the scattering field and impledance field ; we will set up the integral equation for the surface current, solving it by mom equation. then gain it ' s reflected coefficient ' s numerical result. and we propose first the definition of the equivalent electromagnetic parameters and present a method to calculate them from the gained reflection coefficient

    具體方法就是將浸漬吸收劑的蜂窩壁用表面阻抗表示，將無限大的周期結構的電場用周期格林函數來表示，選取有耗蜂窩結構中具有代表性的基本計算單元應用矩量法建立數學模型，在運用矩量法時用屋頂函數作為基函數，刀片函數作為檢驗函數，根據蜂窩壁表面電場必須滿足入射電場等於散射電場和阻抗電場之和的規律，推導表面電場積分方程，求解蜂窩結構的表面電流，利用蜂窩的周期規律得到無限大均勻周期陣列的散射電場。
  9. The moment method is used to calculate the rcs of three - dimensional targets in this paper. these targets include conducting targets, dielectric targets and coat targets. triangular patches are used to model the surface of the target, then electric field integral equation ( efie ) and magnetic field integral equation ( mfie ) are built which satisfy the boundary conditions. the rwg vector base functions are used to denote equivalent electric current and magnetic current on the surface of the target. finally use the galerkin method ( rwg vector base functions are basis function and test function ) to transform integral equations into matrix equation. when obtain the equivalent electric current and magnetic current, we can calculate the scattering field and the rcs of the target

    本文利用矩量法計算了三維導體目標、介質目標、塗層目標的雷達散射截面。首先採用三角形面元對物體表面幾何形狀進行模擬，然後建立滿足邊界條件的電場積分方程（ efie ）和磁場積分方程（ mfie ） ，將物體表面的等效電磁流用rwg矢量基函數表示，最後利用伽略金法（ rwg矢量基函數既作為基函數又作為檢驗函數）將電磁場積分方程轉化為矩陣方程求解未知電磁流系數，得到了表面的等效電磁流后，可以計算散射場和目標的雷達散射截面。
  10. We found that the derived conditions for the desired collision differential path were not sufficient to guarantee the path to hold and that some conditions could be modified to enlarge the collision set. by using technique of small range searching and omitting the computing steps to check the characteristics in the attack algorithm, we can speed up the attack of md5 efficiently. compared with the advanced message modification technique presented by wang - it et al.,

    一個安全的雜湊函數應該至少滿足以下幾個條件對每一個給定的輸入消息串，計算輸出的hash值即消息摘要是很容易的對任意給定的某一hash值h ，找到一個輸入消息串m ，使得其計算輸出的hash值剛好等於h是計算上不可行的找到任意兩個不同的輸入消息串映射到同一個hash值是計算上不可行的。
  11. Firstly it constructed a curved face equation, and then did self - learning by adjusting power gene and center and width of the radial basis function with restriction condition on reflect function, finally gained satisfactory curved face equation

    該演算法先採用網路構造一個曲面方程，再利用反射函數作為約束條件，通過調整權因子和徑向基函數中心和寬度對網路進行自學習，得到一個滿意的曲面方程。
分享友人
分享到 Line

分享到臉書