稀疏表达：向量、矩阵与张量.doc，对于学习压缩感知、稀疏表示的人有帮助-Sparse expression: Vector, matrix and tensor. Doc, for learning compressed sensing, sparse representation of the people to help

稀疏矩阵的创建与输出，讲述稀疏矩阵如何以三元组以及常规形式创建与输出-Sparse matrix creation and output, tells how sparse matrix triples as well as conventional forms creation and output

数据结构]利用三元组表对稀疏矩阵实现加法、减法及转置运算-Data Structures] use triples table for sparse matrix realization of addition, subtraction, and transpose operation