基于 l2,0范数稀疏性和模糊相似性的图优化无监督组特征选择方法
孟田田1, 周水生1, 田昕润1

Unsupervised Group Feature Selection Method for Graph Optimization Based on l2,0-norm Sparsity and Fuzzy Similarity
MENG Tiantian1, ZHOU Shuisheng1, TIAN Xinrun1
l 2-box在二维空间的几何解释