By the grid-based method,NDOD expands square neighborhood by breadth-first search,it can reduce neighbo.
NDOD吸收基于网格方法的思想,以广度优先扩张方形邻域,成倍地减少了邻域查询的次数,从而快速排除聚类点并克服基于网格方法中的"维灾"。
The property of a class of special distance space called super-distance space is studied,including its spherical neighbourhood,cauchy sequence,connectedness,completedness, etc.
研究了一类被称为超距空间的特殊度量空间的性质 ,包括它的球形邻域、cauchy序列、连通性、完备性等性质 。
Some structures and properties of neighborhood compleies of trees are discussed and several conditions that high dimention 2-forest is neighborhood complex of tree are ob-tained.
研究了树的邻域复形的结构和性质,得出了几种高维2—林是树的邻域更形的条件。
Define the neighborhood complex N(G) as the simplicial complex whose simplices are those subsets of V(G) which have a common neighbor.
一个图G的邻域复形是以G的顶点为顶点,以G的具有公共邻接顶点的顶点子集为单形的抽象复形。