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math.NA2017★ 2 cited
A comparison between MMAE and SCEM for solving singularly perturbed linear boundary layer problems
Süleyman Cengizci
In this study, we propose an efficient method so-called Successive Complementary Expansion Method (SCEM), that is based on generalized asymptotic expansions, for approximating to t…
cs.CC2017
Sparse Approximation is Provably Hard under Coherent Dictionaries
Ali Çivril
It is well known that sparse approximation problem is \textsf{NP}-hard under general dictionaries. Several algorithms have been devised and analyzed in the past decade under variou…