数据库课程设计，用完全链表结构实现稀疏矩阵的创建，删除，以及加、减、乘、转置运算-database curriculum design, fully linked list with sparse matrix structure to achieve the creation, deletion, and, plus or minus, by transfer of home computing

数据结构中的矩阵转换，适用于初学者的上机操作-Transfer the matrix data structure, for beginners to operate the machine

Using MATLAB compressed sensing, You can get a very accurate amplitude, frequency, phase estimation, A one-dimensional transfer matrix method to calculate the phonon crystal structure.