 problem \[[@B00], [@B00]\]: $$\begin{matrix} {\underset{\mathbf{s}}{\min}\left\{ \left. ||\mathbf{s} \right.||_{0}:\Theta\mathbf{s} = \mathbf{y} \right\},} \\ \end{matrix}$$ where \|\|**s**\|\|~0~ = 