A Preconditioned Conjugate Gradient Method with Active Set Strategy for $$\ell _1$$ℓ1-Regularized Least Squares
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DOI: 10.1007/s40305-018-0202-x
Abstract: In the paper, we consider the $$\ell _1$$ℓ1-regularized least square problem which has been intensively involved in the fields of signal processing, compressive sensing, linear inverse problems and statistical inference. The considered problem has been… read more here.
Keywords: gradient method; ell regularized; conjugate gradient; regularized least ... See more keywords