正定 的英文怎麼說

中文拼音 [zhēngdìng]
正定 英文
chengting
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 定 : Ⅰ形容詞1 （平靜; 穩定） calm; stable 2 （已經確定的; 不改變的） fixed; settled; established Ⅱ動詞...
  1. In this thesis, we study some open problems and conjectures about the linear complementarity problem. it consists of the next three aspects : firstly, we study murthys " open problem whether the augmented matrix is a q0 - matrix for an arbitary square matrix a, provide an affirmable answer to this problem, obtain the augmented matrix of a sufficient matrix is a sufficient matrix and prove the graves algorithm can be used to solve linear complementarity problem with bisymmetry po - matrices ; secondly, we study murthys " conjecture about positive semidefinite matrices and provide some sufficient conditions such that a matrix is a positive semidefinite matrix, we also study pang ' s conjecture, obtain two conditions when r0 - matrices and q - matrices are equivelent and some properties about e0 q - matrices ; lastly, we give a counterexample to prove danao ' s conjecture that if a is a po - matrix, a e " a p1 * is false, point out some mistakes of murthys in [ 20 ], obtain when n = 2 or 3, a e " a p1 *, i. e. the condition of theorem 3. 2 of [ 25 ] that a p0 can be deleted and obtain a e " a is an almost e - matrix if a is a co - matrix or column sufficient matrix

    本文分為三個部分，主要研究了線性互補問題的幾個相關的公開問題以及猜想： （ 1 ）研究了murthy等在[ 2 ]中提出的公開問題，即對任意的矩陣a ，其擴充矩陣是否為q _ 0 -矩陣，給出了肯定的回答，得到充分矩陣的擴充矩陣是充分矩陣，並討論了graves演算法，證明了若a是雙對稱的p _ 0 -矩陣時， lcp （ q ， a ）可由graves演算法給出； （ 2 ）研究了murthy等在[ 6 ]中提出關於半正定矩陣的猜想，給出了半正定矩陣的一些充分條件，並研究了pang ~ -猜想，得到了只r _ 0 -矩陣與q -矩陣的二個等價條件，以及e _ 0 q -矩陣的一些性質； （ 3 ）研究了danao在[ 25 ]中提出的danao猜想，即，若a為p _ 0 -矩陣，則，我們給出了反例證明了此猜想當n 4時不成立，指出了murthy等在[ 20 ]中的一些錯誤，得到n = 2 ， 3時，即[ 25 ]中定理3 . 2中a p _ 0的條件可以去掉。
  2. Conditional positive forms and dilations

    條件正定型與擴張
  3. On dx - generalized positive definite matrices

    廣義正定矩陣
  4. The new method of judgement for matrix positive definite in euclid space

    空間中矩陣正定性判別的新方法
  5. Negative matrices over a c - algebra and geometric mean of two positive definite elements

    代數上的非負矩陣與正定元的幾何平均
  6. Institute of hydrogeology and engineering geology, mlr, zhengding, 050803

    國土資源部水文地質工程地質研究所，正定， 050803
  7. In the first part, we shall prove several inequalities involving symmetric positive semidefinite, general m - matrices and inverse m - matrice which are generalization of the classical oppenheim ' s inequality for symmetric positive semidefinite matrices

    第一個部分給出了半正定矩陣，一般的m -矩陣以及逆m -矩陣的一些相關不等式，而這些不等式都是有關半正定矩陣的經典的oppenheim不等式的推廣。
  8. A new method on the decision of positive definite quadratic form using the real square matrices

    利用實方陣判定二次型正定性的新方法
  9. The classification of positive definite unimodular lattices over

    上正定幺模格的分類
  10. On the classification of positive definite unimodular lattices over z

    上的正定幺模格的分類
  11. Positive definite even unimodular lattices over real quadratic integer rings

    實二次整數環上的正定偶幺模格
  12. The class number of positive even unimodular lattices over real quadratic field

    實二次域上正定偶幺模格的類數
  13. Irreducible positive definite function on unimodular group and its applications

    幺模群上的不可分解正定函數及其應用
  14. On the classification of positive definite unimodular lattices over the rings of real quadratic integers

    實二次代數整數環上的正定幺模格的分類
  15. Hebei chida manufacture and trade co., ltd minerals branch - the zhengding plant is mainly processing and handling all kinds of minerals, with advanced equipment of minerals powder, zhengding plant processes and deal with on minerals raw material, and do strict test on the raw material and product with perfect test instrument, for guarantee the quality of product before delivery to the user. at the present, the main product of zhengding plant is cenosphere, ceramic beads and high - aluminum sand

    河北馳田工貿有限公司礦物分公司下屬工廠-石家莊正定工廠主要加工和經營各種礦產品，利用較為先進的粉體處理設備，對礦產品進行再加工和處理，並利用完備的實驗設備對原料和產品進行嚴格的檢測，以保證出廠前產品的質量。目前主要產品有漂珠，陶粒砂和高鋁砂。
  16. For the given sample points, and matrix formed by covariance function with sample points as parameters, when the number of sample points approaches infinite, it is proven that this matrix spectrum will approach the spectral approach theorem for positive - definite kernel of integral equation

    對給定的樣本點，由樣本點為變量的協方差函數構成的矩陣，當樣本點個數趨于無窮大時，證明此矩陣譜逼近於積分方程正定核的譜逼近定理。
  17. We proof the covariance function of covariance stationary processes is equivalent with mercer kernel function. that is, the covariance function of covariance stationary processes is a mercer kernel function ; in reverse, for a given mercer kernel function, there exists a covariance stationary processes, and the covariance function corresponded to this covariance stationary processes is the given symmetry positive - definite kernel function. it means that the covariance function is equivalent to symmetry positive - definite kernel function

    首先建立了協方差平穩過程的協方差函數與積分方程中對稱正定mercer核函數的等價關系，即協方差平穩過程的協方差函數是對稱正定mercer核函數，反過來，對給定的對稱正定核函數，證明了存在協方差平穩過程，使得此協方差平穩過程對應的協方差函數恰好為給定的對稱正定核函數，這說明協方差函數和對稱正定核函數是等價的。
  18. A criterion for the positive definiteness of a block - matrix and its application

    分塊矩陣的正定性準則及其應用
  19. There have developed some technique to ensure the positive definiteness of the hessian of the quadratic objective function

    迄今為止，已提出了多種保證子問題的目標函數的hessian陣的正定性的方案。
  20. We fhd that the energies have the following important properties : ( 1 ) the energies are positive and monoton - ically decrease to their arnowitt - deser - misner ( adm ) masses at spatial infinity ; ( 2 ) the energies have the correct newtionial limiting, and include the binding energies from the gravitation ^ electrostatic charge and dilaton charge, respectively ; ( 3 ) martinez ' s conjecture is valid for such black holes

    結果表明該能量具有如下幾個重要特徵： （ 1 ）該能量是正定的，且隨徑向坐標單調遞減，在無窮遠處為黑洞的adm質量； （ 2 ）該能量具有正確的牛頓極限，並包含有分別來自於引力、靜電荷和伸縮子荷的束縛能； （ 3 ） martinez猜測對這些黑洞依舊成立。
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