压缩感知中的几种贪婪算法，初学者入门可以看看，可以帮助你理解算法的过程，有cosamp、gOMP、OMP、ROMP、SAMP、SP、STOMP。-Compressed Sensing in several greedy algorithm, beginners can see, can help you understand the process of algorithm，there have cosamp、gOMP、OMP、ROMP、SAMP、SP、STOMP。