n

Iter

$\Vert x-z\Vert$

${\Vert \widehat{x}\Vert }_0$

${\Vert x\Vert }_0$

Time (sec.)

2000

350

8.0136E−11

20

20

18.05

3000

210

9.8366E−11

30

30

11.86

4000

142

8.5188E−11

40

40

28.65

5000

142

9.5243E−11

50

50

20.47

7000

144

8.4519E−11

70

70

43.67