正半定形式 的英文怎麼說

中文拼音 [zhēngbàndìngxíngshì]
正半定形式 英文
positive semidefinite form
  • 正 : 正名詞（正月） the first month of the lunar year; the first moon
  • 半 : Ⅰ數詞1 （二分之一） half 2 （在 中間的） in the middle; halfway 3 （比喻很少） very little; the l...
  • 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...
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  1. In chapter 3, we give an equivalent form of semi - infinite programming, and a locally convergent ssle method is proposed for sip. we only need solve a linear system equations and a subproblem with a parameter per step, also a modified algorithm which saves cost of computations is given, at the end of the paper, we give a proof of the convergence for the algorithms

    第三章通過適當的變形，得到半無限規劃問題的一個等價形式，並給出一個局部收斂的序列線性方程組演算法，這個演算法在每一步，只需求解一個線性方程組和一個帶參數的非線性子問題，證明了演算法的收斂性，同時，給出了一個修正演算法，與前面演算法相比較，修正演算法節約一定的計算量，同樣具有較好的收斂性。
  2. The article intend to analysis the precess, character and motivion of development in traditional street space in which contain abundant cultural heritage. through investigation the writer should analysis the characte r, form and the relationship with each other, and furthermore find the pattern of the space in the fulture. what the most important is to summarize the spitits in traditional street space, such as activition, fuction, cultural elements, social customs and quatity of space. in order to put these elements to the exploit of new street space and find how these elements should be used, the writer regards some streets as the examples such as wenming street in kunming, xinhua street in lijiang jianshe rode in luxi. through research the writer find problems which exist in not only traditional but also in new street and express individual viewpoint about how to solve the problems. there are several ways to keep the new street exploition success. in the first place, we shoule know about all kinds of influences and synthesized elements. secondly mastering the mechanism of the development by oneself is indispensable. in the last place, it is necessory not to imitate some certain model which is plausible in other place. in the l ast of the article, the writer uses a new project to further illustrate the way to put the theory what have mentioned above into the practice

    並從自然，社會，經濟及社會文化方面分析產生的根源，發展動力，其次通過實際調查，對現有傳統商住的物質形態要素進行分析，從商空間及住空間的基本特徵，型制入手，探索傳統商住街區的空間形態，結構組成，商與住空間關系，空間性質及空間如何相互轉化。以此來尋找傳統商住街區物質形態特徵，同時結合具體實例強調在傳統商住街區改造、新區的規劃設計中應當重視非物質要素內涵的提取、如活動者及社會結構、功能意義、空間品質、文化氣息，保持歷史傳統的延續性的必要性與可行性。在文章的後半部分，有針對性的對遺留下來的傳統商住街區-昆明文明街、麗江新華街、瀘西建設路的物質形態特徵和非物質形態特徵的分析，找出現存的問題，並針對問題發表個人的觀點，指出引導現代商住街區的開發與改造中，保持形態合理發展的正確途徑是了解影響形態發展與演變的各種因素及其綜合作用，把握好形態演交的內在機制，而不應刻意追求某種特定的模式。
  3. Recently the possibility of the monotonization of insertion theorem has been investigated, which requires the inserted continuous funtion to increase if the two semicontinuous funtions increase

    近年來插入定理的單調形式的研究正在興起，即當兩個半連續映射增大時插入的連續映射也增大
  4. At last, on several linear manifolds, the conditions for the existence of and the general expressions of the symmetric, skew - symmetric and symmetric semi - definite solution of the linear matrix equation f3 ( x ) = 0 are discussed. and the related optimal approximation solutions are obtained

    最後討論了六類線性流形土矩陣方程兒（ x ） = o分別具有對稱解，反對稱解和對稱半正定解的條件，得到了方程和l一s問題解的通式，同時解決了解的最逼近問題
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