A further study has been made about decision tree classification , bayesian network , and discretization of conntinuous attributes , at the same time many kinds of classfication algorithms have been achieved 对决策树分类、贝叶斯网络和连续属性的离散化问题进行了的研究,实现了多种分类算法。
A program for space discretization of flow field around bus is developed under the platform of windows98 . this program has achieved the main work of the fem preprocess 本研究在windows98平台上编制了客车周围流场三维湍流有限元数值模拟的空间离散化程序,初步完整地实现了有限元前处理的各项主要工作。
The structure of a bridge crane is optimized and the results shows that it is a better way to deal with discretization problem in engineering , compared with mdod and improved genetic algorithm 通过对桥式起重机金属结构进行优化,其结果与mdod和改进遗传算法2种的结果进行比较,表明此算法能够很好处理工程离散化问题。
In rotating frame of reference , the construction method of three dimensional finite volume tvd schemes is systemically analyzed , in which implicit euler defiference is applied for time discretization 在旋转坐标系下,发展了一种含旋转源项的雷诺平均navier - stokes方程的三维有限体积tvd格式,时间离散采用隐式euler方法。
The 3rd - order splitting algorithm based on the mixed stiffly stable scheme is employed in the temporal discretization of the n - s equations and the mixed fourier - spectral - spectral - element method in the spatial discretization Navier - stokes方程的时间离散采用基于混合刚性稳定格式的三阶分裂算法,空间离散采用fourier谱谱元法。
Discretization is a new method in this paper . any deformation in distortion can be described by a lots of particle . we can describe whole process of deformation by describing every particle ' s motion 本次研究的主要方法是离散化和质点运动等,这也是本文的一个新方法,通过比较相关的资料,可以发现,这种方法是合适的,也是可行的。
Abstract : based on simple algorithm , the discretization algebraic equation of nonaxisymmetry three - dimension turbulent flow is established , and it can simulate nonaxisymmetry three - dimension turbulent flow 文摘:以simple算法为基础,建立了圆柱坐标系下非轴对称三维湍流流动离散化的代数方程,从而可以对非轴对称三维湍流流动进行数值模拟