RETRACTED: DEPSO and PSO-QI in digital filter design

This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).This article has been retracted at the request of the Editor-In-Chief.The authors have plagiarized a paper that had already appeared on http://scholarsmine.mst.edu/thesis/Applications_of_swar_09007dcc805ea9a1.html. One of the conditions of submission of a paper for publication is that authors declare explicitly that their work is original and has not appeared in a publication elsewhere. Re-use of any data should be appropriately cited. The scientific community takes a very strong view on this matter and apologies are offered to readers of the journal that this was not detected during the submission process.