Sparse Signal Inversion with Impulsive Noise by Dual Spectral Projected Gradient Method

Algorithm 1

Spectral projected gradient method for .

(1) Set , , , , , , , ; choose ,

(2)

(3) Select using line research Algorithm 2

(4) compute , , ,

(5)

if    then

Set

Else

Set

end if

(6)

Until or