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本文给出了一个修改的路径跟踪预测校正非内点算法 ,同时给出了一个新的中心路邻域的表示 .并在此基础上给出了全局和局部收敛性 ,最后给出的数值结果验证了其有效性 相似文献
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对于一般情形, 基于后继函数法给出焦点量计算的递推公式;基于形式级数法给出焦点量计算和化简的Maple算法;给出了时间可逆条件的推导算法,给出了一类五次系统时间可逆的充要条件. 相似文献
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文[1]对2008年新知杯上海市初中数学竞赛第四题的参考答案给出了较为简捷的方法并给出了精确值,本文再给出一个更为简捷的方法.为方便起见,现给出2008年新知杯上海市初中数学竞 相似文献
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提出一类对称张量绝对值方程问题,给出了求解此类问题的一类非光滑牛顿法,并且在一般的假设条件下,给出了算法的局部收敛性.最后给出相关的数值实验表明了算法的有效性. 相似文献
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Pascal分布的参数估计 总被引:2,自引:0,他引:2
韩明 《纯粹数学与应用数学》2006,22(4):510-515
对Pascal分布,提出了参数估计的一种新方法——E-Bayes估计法.给出了可靠度的E-Bayes估计的定义,在此基础上给出了可靠度的E-Bayes估计公式,并给出了可靠度的E-Bayes估计的性质——E-Bayes估计和多层Bayes估计的关系.最后,给出了模拟算例,结果表明本文提出的E-Bayes估计法可行且便于应用. 相似文献
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在随机控制的框架下 ,给出了一般的合理定价高科技公司的模型 ,考虑到高科技公司的管理柔性 ,采用动态规划和实物期权定价思想和方法 ,给出高科技公司价值所满足的偏微分方程 .在特殊情况下 ,给出解析解 ,讨论了参数的影响 ,最后 ,给出一个应用实例 . 相似文献
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We study the asymptotic behavior at large time of a solution to a system of nonlinear integro-differential equations which arises in mathematical modeling of diffusion of a magnetic field into a substance. We establish the corresponding stabilization rate. 相似文献
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Richard J. Gardner Paolo Gronchi Thorsten Theobald 《Discrete and Computational Geometry》2012,48(3):749-765
The following problem, arising from medical imaging, is addressed: Suppose that T is a known tetrahedron in ?3 with centroid at the origin. Also known is the orthogonal projection U of the vertices of the image ?T of T under an unknown rotation ? about the origin. Under what circumstances can ? be determined from T and U? 相似文献
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E. M. Perper 《Moscow University Mathematics Bulletin》2018,73(5):171-175
The paper considers the construction of formulas describing relations between entities from a Russian sentence. We describe rules which help constructing such formulas from a syntax graph. 相似文献
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Symmetry-based solution of a model for a combination of a risky investment and a riskless investment
Benth and Karlsen [F.E. Benth, K.H. Karlsen, A note on Merton's portfolio selection problem for the Schwartz mean-reversion model, Stoch. Anal. Appl. 23 (2005) 687-704] treated a problem of the optimisation of the selection of a portfolio based upon the Schwartz mean-reversion model. The resulting Hamilton-Jacobi-Bellman equation in 1+2 dimensions is quite nonlinear. The solution obtained by Benth and Karlsen was very ingenious. We provide a solution of the problem based on the application of the Lie theory of continuous groups to the partial differential equation and its associated boundary and terminal conditions. 相似文献
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É. N. Sokol 《Journal of Mathematical Sciences》1993,65(6):2007-2011
The problem of the motion of a container in a curved section of a horizontal pipeline is solved using second-order Lagrange equations in the presence of nonholonous couplings. The special case of the motion of a container in a circular curve is examined.Translated from Matematicheskie Metody i Fiziko-Mekhanicheskie Polya, No. 25, pp. 90–95, 1987. 相似文献