Gives a computer programme based on object oriented technology, which can make your programme clear, understandable, handled, easy-to-debug and having highly recycle rate, etc . finally, the convergence rate of india to eurasia subdirection is given using nonlinear optimization algorithms and gps data 对于目前的几种非线性优化算法,本文利用代码清晰便于理解,易维护和调试,代码重用性高的面向对象编程技术编写了相应的计算程序。
By reaching the " advanced " level, a teacher is able to understand the functions of computer managed instruction systems, evaluate the effectiveness of instructional computer programmes, design instructional materials with use of it, and choose appropriate it equipment to meet a school s needs 达到高级程度的教师,应能了解电脑管理教学系统的功能,评估教学电脑计划的效果,利用资讯科技设计教材,并选用适当的资讯科技设备应付学校的需求。
The paper also provides algorithmes about boolean intersection calculation of two protruding polyhedron and the computer programmes for the algorithm . the programmes are of general meanings . boundary conditions and diversified load conditions are dealt with by program 程序同时完成了两个凸多面体布尔求交的算法问题并用程序精确的将其实现,具有普遍的实际意义;程序处理了边界条件、载荷,成功地解决了三维连续体的弹性静力学分析问题的求解。
In the paper the characteristics and dividing methods of cells, as well as some relevant computer programmes are given, which have proved to be correct by several examples of structures of bar system the calculation of the new method is simpler because it need not form the global stiffness matrix that is necessary in fem, and solve the boundary problems of partial differential equations 在此基础上给出杆系的细胞自动机模型、单元划分方法、单元特性和演化规??则。并列出了该方法的计算步骤。通过数值计算分析,验证了该方法的正确性,算例表明该方法对结点位移和杆内力收敛速度较快。
Furthermore, it was acquired that the parameters of gecko gait ( such as gait period, stride length, duty factor ) and the angle curve of each leg according to the actual motion of them from the recorded datas which was processed and analyzed by computer programme . finally, it is concluded as the following : the angle variation of legs can be repeated during the motion; in accord with each surface, it is varied that the gecko gait such as the period in which each leg is landed in surface, the sequence in which each leg was whether lift in advance or not during the motion . the motion speed of gecko is changed by adjusting the duty factors of each leg on the same surface 通过对实验结果的分析比较,得出:运动过程中各腿腿部角度的变化过程具有明显的规律性;不同表面上壁虎各腿的支撑状态(各腿的支撑时间及抬、落腿的先后顺序)各不相同;相同的表面上,壁虎的爬行速度的变化主要是通过调整各腿的负荷因数而实现的;相同的表面上,壁虎以不同的速度运动时,其步态(各腿抬、落腿的先后顺序)是相同的。
Before the second cash, the safety mechanism benefit occupant to safe condition . the safety mechanism is very cheap and it can be bought by most consumer . based on the multi-body dynamics roberson-wittenburg formula, a mathematical modle of the " occupant-seat-safety mechanism " system was built, and its kinematic equation was given . the corresponding computer programme was based on the equation, kinematic equation can provide advice for safety mechanism and serve for computer imotion . r / w and kane set up their own formula . they both can prove safety mechanism is benfit to occupant 为了研究人体的伤害机理,选择适当的人体模型作为研究对象;人体采用二维多刚体铰接模型,将人体简化为骨盆、躯干、头部、大腿、小腿、脚部、上臂和前臂八个刚体,而相应的七个关节腰、颈、髋、膝、踝、肩和肘,均简化为带有扭力弹簧和转动阻尼的铰链。
Then, based on object oriented programming, author gives a geodetic inversion computer programme using modern nonlinear optimization algorithms . modern nonlinear optimization algorithms have many outstanding advantages : global search, nonlinear calculate and parallel calculate etc, so they will be paid more attention on geodetic inversion 通过分析可以看出,现代非线性优化算法本身的全局搜索,非线性计算和可并行计算等显著的优点决定了它在大地测量反演中必定会越来越受到重视。
Saturation vapour pressure of internal combustion engine under actual operation conditions is expressed as the multinomial by using least square method, which facilitates the calculation of rectifying coefficient of engine output and fuel consumption as well as the fabrication of computer programme for such calculations 摘要介绍了用最小二乘法拟合方法,将内燃机现场环境状况下饱和蒸汽压表示为多项式形式,为计算功率和燃油消耗率校正系数,并为此而编制计算机程序提供方便。