主要用于解决模式识别中稀疏表示人脸识别核心问题L1范数源代码，程序采用同伦算法设计的，在目前稀疏表示多种算法中，同伦算法是性能公认最好的.-Mainly used to solve the sparse representation of face recognition pattern recognition in the core of L1 norm source code, the program designed using the homotopy algorithm, sparse

快速的基于光滑的l0范数的过完备的稀疏分解，其速度比L1范数快，恢复效果好-Rapid decomposition overcomplete sparse smooth l0 norm-based, its speed is faster than the L1 norm, restore good effect

最优化问题求解，l1-ls 范数求解matlab程序包.-Optimization problem solving, l1-ls norm solving matlab package.