正定的 的英文怎麼說

中文拼音 [zhēngdìngde]
正定的 英文
positive definite
  • 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...
  • 的 : 4次方是 The fourth power of 2 is direction
  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. They made a solemn agreement with him.

    他們同他訂立了一項正式的協定。
  3. The allotted time ran out, while we were thus; but, looking at round, i found the governor of the prison standing near me.

    正當此時，規定的時限到了；可是我回頭一望，看見典獄官就站在我身旁。
  4. The test shall demonstrate to the satisfaction of the owner that the equipment meets all specified performance criteria, is properly installed and anchored, and operates smoothly throughout the specified speed range without exceeding the full load amperage rating of the motor or excessive motor heating

    測試應該讓用戶滿意，證明這些設備符合所有規定的性能標準，經過正確的安裝和錨固，在額定轉速范圍內運行平穩，沒有超過電機的額定滿負荷運轉電流安培數，或發生電機過熱。
  5. Besides, the legislation of criminal scout behavior is amphiboles, also with the improper setting mode of governor organization and the procedural deficiency in criminal scout. only one kinds of criterion of distinguishing the public security organ ’ s double behaviors is not enough to answer the question and to solve the problem that these two kinds of behaviors making confusion with each other. so it is necessary to define its theoretical base further and erect some correlative mechanism to make easy for the body to distinguish double behaviors automatically and consequently to guarantee each of these double behaviors goes to its own legal orbit

    至於如何真正將公安雙重行為分辨清楚，切實有效解決公安雙重行為相互混淆的問題，僅提出一個分辨標準是遠遠不夠的，這只可能解決了能辨的問題;因此，還需進一步明晰其理論基礎並完善和構建相關機制，使之易辨，並促使行為主體主動去辨，從而保證公安雙重行為在各自法定的軌道上正常運行。
  6. Just the special culture condition made the mode of the behavior in housing different with the mode of ancientry in china which was spread around the fire and the mode after 1949 spread with the sleeping unimportant and was individuality. this paper just research on five periods and want to open out that under special economic and culture condition, the influence of social living acts the space of common activities space in congregate housing by mode of the behavior in housing

    而宅內行為模式的變遷對1949年以後我國城市集合住宅內公共活動空間變遷有著重要影響，本文正是通過對1949年以後五個不同時期的宅內公共活動空間變遷進行比較研究，以透視出在特定的經濟文化條件下，社會生活對宅內公共活動空間的影響是具體通過宅內行為模式達到的。
  7. The order nebalia belongs to arthropoda. there are about 20 kinds of living nebalia, and the fossils of nebalia are being excavated. the chuandianella, one genus in nebalia, has been published

    節肢動物門中的葉蝦目現生種類很少，僅有20多個海產種類，其化石種類正在發掘，川滇蟲屬（ chuandianella ）已有人建立並有一定的屬征描述。
  8. According to economist north, the evolvement is ascribable to the existence of uncertainty such as the transition from unofficial pension system to official pension system

    而歷史上從非正式的養老金制度到正式的養老金制度的變遷正是由不確定性的增加引起的。
  9. Besides setting the rules, the association gave the game its formal name : association football

    除了制定規則，這個協會還為球賽取了一個正式的名稱：英式足球。
  10. In this bill of lading the word " ship " shall include any substituted vessel, and any craft, lighter or other means of conveyance owned, chartered or operated by the carrier used in the performance of this contract ; the word " carrier " shall include the ship, her owner, master, operator, demise charterer, and if bound hereby the time charterer, and any substituted carrier, whether the owner, operator, charterer, or master shall be acting as carrier or bailee ; the word " shipper " shall include the person named as such in this bill of lading and the person for whose account the goods are shipped ; the word " consignee " shall include the holder of the bill of lading, properly endorsed, and the receiver and the owner of the goods ; the word " charges " shall include freight and all expenses and money obligations incurred and payable by the goods, shipper, consignee, or any of them

    二、本提單中的「船舶」一詞指任何替代船舶、任何小船、駁船或其他為承運人所擁有，並用於履行本合同的運輸工具； 「承運人」一詞是指船舶、船東、船長、操作人員、光船租船人、本提單限定的定期租船人、以及任何實際承運人，不論是船東、操作人員，租船人或船長代理而被視為承運人或受託人； 「發貨人」一詞是指本提單上所列的發貨人，貨物為其而裝運； 「收貨人」一詞是指正式背書提單的持有人，貨物的接收者和所有人； 「費用」一詞是指運費和因貨物、發貨人、收貨人、或因他們任何一個而發生且應由其支付或了結的一切費用和金錢義務。
  11. When an event is black tie ， it means it ' s very ， very formal

    通常要求打黑色領結的活動，一定是非常非常正式的活動。
  12. 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。
  13. Positive semi-definite matrices are positive definite if and only if they are nonsingular.

    正半定矩陣是正定的，當且僅當它們是非奇異矩陣。
  14. Although there have been some suggestions on how to ensure the positive definiteness of the iterative matrices, they are restrictive and is not easy to be implemented

    盡管已有一些關于怎樣保證迭代矩陣正定的討論，然而還沒有切實可行的方案。
  15. A class of left and right inverse eigenvalue problems for positive definite symmetric and positive semidefinite symmetric matrices

    一類對稱正定及半正定的左右逆特徵值問題
  16. An advantage of this method is that it can be applied when the covariance matrix of the invested projects is positive semi - definite

    該方法的優點在於能夠處理各投資項目之間的協方差矩陣為半正定的情形。
  17. An advantage of the proposed method is that the generated iterative matrices are always positive definite

    這種方法的一個優點是演算法產生的迭代矩陣總是正定的。
  18. L ^ 2 - norm error estimates are derived under the assumption of only positive semi - definite diffusion coefficient

    在擴散項系數半正定的情形得到逼近解的次優l ^ -模誤差估計。
  19. The thesis consists of two parts. in the first part, we consider an intersection matrix that is positive semi - definite

    本文由兩個部分組成，第一部分考慮半正定的相交矩陣，由它我們定義了根系。
  20. The main difficulty for the global convergence of the structured bfgs method lies in that the matrices generated by the method may not be positive definite. as a consequent, the direction generated by the method may not be a descent direction of the objective function

    建立具有全局收斂性的結構化擬newton法的一個主要困難是在於該演算法產生的矩陣不一定是正定的，從而產生的搜索方向不一定是目標函數的下降方向。
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