Corrigendum to 'Improving preconditioned SOR-type iterative methods for L-matrices, Int. J. Numer. Meth. Biomed. Engng., 27(2011)774-784'

摘要

The authors regret to inform that their recently published article 'Improving preconditioned SOR-type iterative methods for L-matrices, Int. J. Numer. Meth. Biomed. Engng., 27 (2011) 774-784' had typing errors. Throughout the paper, δ_s ∈ (1-a_(sn)a_(sn)/a_(ns),-a_(ns)) ∩ (0, -a_(sn)) should be corrected to δ_s ∈ ( 1-a_(ns)a_(sn)/a_(ns),a_(ns)) ∩ (0, - a_(sn)). Also, in the proofs of Theorems 3.1 and 3.2, the matrix S was erroneously typed as S. These typos had no influence on the results of the article.