کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
6422483 1632010 2015 11 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A modified Hestenes-Stiefel conjugate gradient method with sufficient descent condition and conjugacy condition
موضوعات مرتبط
مهندسی و علوم پایه ریاضیات ریاضیات کاربردی
پیش نمایش صفحه اول مقاله
A modified Hestenes-Stiefel conjugate gradient method with sufficient descent condition and conjugacy condition
چکیده انگلیسی

In this paper, by taking a little modification to the Hestenes-Stiefel method, we propose a new way to construct descent directions satisfying the sufficient descent condition. Also, an adaptive conjugacy condition and a intrinsic self-restarting mechanism are revealed, a dynamical adjustment can be regarded as the inheritance and development of properties of standard Hestenes-Stiefel method. Furthermore, we establish global convergence for general nonconvex objective function under mild condition. Numerical results show that our presented methods can be efficient for solving large-scale test problems and therefore is promising.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Journal of Computational and Applied Mathematics - Volume 281, June 2015, Pages 239-249
نویسندگان
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