maximum principle造句
例句与造句
- In chapter 6 , with the results of above chapters , we discuss the optimal control problems for weak - smooth system and draw a conclusion coinciding with that of smooth system , i . e . , the pontryagin ' s maximum principle ( see th 6 . 2 . 7 )
第六章，在以上各章结果的基础上，研究了弱光滑系统的最优控制问题，得到了与光滑系统一致的结果? ?庞特李雅金类型的最大值原理(即定理6 - Abstract : the paper emphasizes on exoatmospheric antimissile missile rapid reaiming problem , and according to pontryagin ' s maximum principle the optimal control law in the conditions of long miss distance and long elimination time is presented
文摘:针对大气层外反导导弹快速重新瞄准问题，在脱靶量和消除它的时间都比较大的情况下，用庞特里亚金极大值原理求出了最优控制规律。 - His fundamental contributions to stochastic control include establishing a relation between maximum principle and dynamic programming via the viscosity solution theory , and introducing and developing the indefinite stochastic lq control theory
他应用粘性解理论建立了最大值原理与动态规划之间的本质关系，并开创及发展了不定随机lq控制理论。这些都是随机控制论领域中的重大贡献。 - Abstract : in this paper , the maximum principles for fourth order nonlinear parabolic equations are proved . by using these maximum principles , the uniqueness theorem and gradient estimates for the solutions of some fourth order parabolic equations are obtained
文摘:文中证明了四阶非线性抛物方程的最大值原理，利用这些最大值原理获得了一些四阶抛物型方程的解的唯一性定理和解的梯度估计 - The original orientation ( i . e . the mol with respect to the geographical north ) of the core in the formation can be obtained by palaeomagnetic orientation tests . the two results are combined to define the direction of the maximum principle stress of the well or field
该方法根据差应变分析( dsa )实验确定地应力相对于岩心标志线的方向，利用古地磁方法确定岩心标志线相对于现代地理北极的方位，两者结合确定地应力方向。 - It's difficult to find maximum principle in a sentence. 用maximum principle造句挺难的
- The surface of natural fracture ( crack ) is parallel to the orientation of maximum principal stress . the principle orientation of anisotropic permeability reservoirs agrees with the orientation of the maximum principle stress . many engineering problems ( e . g . bore - hole stability , casing deformation failure during drilling , reasonable arrangement of wells , the optimum design of hydraulic fracture and so on ) are influenced by the in - situ stress orientation
天然裂缝面和裂隙面与最大主应力方向平行；在各向异性低渗透率油田中主渗透率方向与最大水平主应力方向趋向一致：在钻井过程中井壁稳定性，套管变形和损坏，油田开发井网合理布置、水力压裂优化设计等都与地应力方向有关。 - With the usage of degree theory in [ 1 ] , calculating indices of fixed points of compact maps in cones of [ 2 - 10 ] and combining with bifurcation theories [ 11 - 19 ] , maximum principles [ 17 ] [ 19 ] , lower - upper solutions methods [ 20 - 22 ] and spectrum analysis of operators [ 23 - 24 ] , we get some results of the coexistence solutions for modell in the first section . the results can be seen extensions of [ 7 ] [ 23 ]
利用文献[ 1 ]中度理论、 [ 2 - 10 ]中锥映象不动点指数方法，并结合分歧理论，极值原理，上下解方法和算子谱分析等，在文中第一部分讨论了其平衡解的存在性，部分推广了文献[ 7 ] [ 23 ]的结论。 - This paper examines some methods , such as contrasting the cash flow indexes with the cash stock indexes within the same industry and contrasting among the segments to decide the assessing period , and using the polynomial model and maximum principle to inversely deduce the enterprise life span , and argues that these methods are significant for reasonably and scientifically identifying the evaluating period
论文提出利用现金流量和现金存量指标进行同行业对比确定评估期、分阶段对比确定评估期、以及利用多项式模型和极大值原理来反推企业寿命的方法，对于科学、合理确定评估期限具有重要意义。 - This dissertation is supported by the following projects : national foundation for science research on the theory of sub - deep micro and super high speed multimedia chip design " ( no . 6987601 0 ) national foundation for high technology research & development " interface of vlsi ip core and related design technology " ( 863 - soc - y - 3 - 1 ) a - national r & d programs for key technologies for the 9th five - year plan research on high level language description and embedded technology for mcu " ( 97 - 758 - 01 - 53 - 08 ) national foundation for the ministry of education , prc " research on the optimal theory and methodology of soc software / hardware integration co - design and co - verification " ( moe [ 2001 ] 215 ) national foundation for science and technology publication " design of interface circuit for computer with verilog " [ ( 99 ) - f - l - 011 ] a deep research on system level design methodology of 1c and the design technology of mcu - ip and interface ip are made in this dissertation . the main work and achievements are as follows : 1 building block principle and the building block component maximum principle are brought forward based on the research of developing history of ic design
本文基于以下科研项目撰写：国家自然科学基金“深亚微米超高速多媒体芯片设计理论的研究” ( 69876010 )国家863计划“超大规模集成电路ip核接口及相关设计技术” ( 863 - soc - y - 3 - 1 )国家“九五”重点科技攻关“ mcu高层语言描述及其嵌入技术研究” ( 97 - 758 - 01 - 53 - 08 )国家教育部“ soc软硬件集成协同设计和验证优化理论和方法研究” (教技司[ 2001 ] 215 )国家科技学术著作出版基金“ verilog与pc机接口电路设计” ( 99 - f - 1 - 011 )论文的主要工作和取得的成果如下： 1 、在研究集成电路设计方法学发展历史的基础上，提出了设计的积木化原则和积木元件最大化原则。 - A necessary and sufficient condition is given in paper [ 16 ] for the sublinear case by the method of upper and lower solution and pontrjagin maximum principle . but the superlinear results are spare because of the essential difference between the superlinear case and the sublinear case . in section two , we gave a necessary and sufficient condition for the superlinear case
对于四阶奇异微分方程边值问题有不少研究成果， o ’ regan [ 10 ]中利用拓扑横截定理给出了其解存在的充分条件，文献[ 16 ]则利用上下解方法和极大值原理给出了问题在次线性情形下正解存在的充分必要条件，由于超线性与次线性的本质区别，使得超线性的研究结果相对较少，本文第二节则致力于给出一类四阶超线性常微分方程奇异边值问题正解存在的充分必要条件 - This paper deals with the existence of two positive solutions for critical elliptic equations with a changed sign perturbation and with an auxiliary condition . first of all , the super - sub - solution can be obtained by this positive solution and by the auxiliary condition if perturbation is the positive side of the changed sign perturbation , and then the equation has a positive solution by the method of monotone in teraction and by the maximum principle . because that the positive solution of the equation isnt monotone to parameter . although all of the equations have a positive solution to two given parameters , the existence of the positive solutions of its equation to a parameter between the two given parameters cant be proved . finally , if the first positive solution exits the second solution for the equation can be proved by the mountain pass lemma . 7refs
讨论了带变号扰动并且具有一定附加条件的临界椭圆方程的两个正解存在性.首先由变号扰动的正部对应的方程的正解和附加条件构造出原方程的一个上、下解，再由迭代方法和极值原理得到方程的第一个正解.考虑到方程的正解对参数没有单调性，因此，即使对于两个使得方程都有正解的参数，但在这两个参数之间的参数对应的方程不一定有正解.最后，如果方程存在第一个正解，那么由山路引理可得到方程的另一个正解.参7
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