Research Article

Sparse Recovery by Semi-Iterative Hard Thresholding Algorithm

Table 1

The running time of different algorithm.

Rows Colum Sparsity Running time (seconds)
OMPStOMPROMPIHTGraDesSIHT

3000800050017.1434.477.932.815.222.06
3000100003008.83 2.773.525.692.72
30001000060019.39 9.33 2.86
3000100001050
40001000050025.33 9.353.114.942.93