参考文献/References:
[1] 钟玉泉.复变函数论[M]. 3版.北京:高等教育出版社,2006:54-57.
[2] Kreutz D K. The complex gradient operator and the CR-calculus[EB/OL].2016-01-10.http://dsp.ucsd.edu/~kreutz/PEI-05%20Support%20Files/complex_derivatives.pdf.
[3] Wen J Z, Wen X. Fast estimation of sparse doubly spread acoustic channels[J].Journal of the Acoustical Society of America,2012,131(1):303-317.
[4] Xia Y L, Took C C, Mandic D P. An augmented affine projection algorithm for the filtering of noncircular complex signals[J].Signal Processing,2010,90(6):1788-1799.
[5] Brandwood D H. A complex gradient operator and its applica-tion in adaptive array theory[J].IEE Proceedings of Communications Radar & Signal Processing,1983,130(1):11-16.
[6] Mandic D P, Goh S L. Complex valued nonlinear adaptive filters: noncircularity, widely linear and neural models[M]. New York: Wiley,2009:55-68.
[7] 张贤达.矩阵分析与应用[M].北京:清华大学出版社,2004:285-296.
[8] Nesterov Y, Shikkman V. Quasi-monotone subgradient methods for nonsmooth convex minimization[J]. Journal of Optimization Theory and Applications, 2015,165(3):917-940.
[9] Nesterov Y. Subgradient methods for huge-scale optimization problems[J].Mathematical Programming,2012,146(1/2):275-297.
[10] Nesterov Y. Primal-dual subgradient methods for convex problems[J].Mathematical Programming,2005,120(1):221-259.
[11] 龙强,李觉友.次梯度法在求解非光滑最优化问题时的计算效果研究[J].重庆师范大学学报(自然科学版),2013,30(6):25-30.
[12] Katsikis V N, Pappas D, Petralias A. An improved method for the computation of the MoorePenrose inverse matrix[J].Applied Mathematics & Computation,2011,217(23):9828-9834.
[13] Grant M, Boyd S. CVX: MATLAB software for disciplined convex programming[EB/OL].2015-12-10,http://cvxr.com/cvx/.