sparse grid

基本解释

First, the bulky and sparse mode of the matrix of each grid node is constructed by the Maxwell equations;
首先从麦氏方程出发，对波导截面中各点构造出超大规模的矩阵模型；
A maze running algorithm is proposed to find the shortest path between two given points in a grid with sparse rectangular obstacles.
给出了一个在具有稀疏矩形障碍的迷宫中寻找给定的两个单元之间的最短路径的算法。
Diversity Indices were applied to analyze the species diversity of sparse Ulmus Pumila L forest pasture, and contiguous grid quadrats were used to test the distribution pattern of arbor population.
应用多样性指数对科尔沁沙地榆树疏林草地的物种多样性进行了研究，并用空间格局指数测定了乔木种群的分布格局。