Practical methods of optimization; (2nd ed.)
Practical methods of optimization; (2nd ed.)
Efficient hybrid conjugate gradient techniques
Journal of Optimization Theory and Applications
Efficient generalized conjugate gradient algorithms, Part 1: theory
Journal of Optimization Theory and Applications
CUTE: constrained and unconstrained testing environment
ACM Transactions on Mathematical Software (TOMS)
A Nonlinear Conjugate Gradient Method with a Strong Global Convergence Property
SIAM Journal on Optimization
A New Conjugate Gradient Method with Guaranteed Descent and an Efficient Line Search
SIAM Journal on Optimization
Scaled conjugate gradient algorithms for unconstrained optimization
Computational Optimization and Applications
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In this paper, we propose two new hybrid nonlinear conjugate gradient methods, which produce sufficient descent search direction at every iteration. This property depends neither on the line search used nor on the convexity of the objective function. Under suitable conditions, we prove that the proposed methods converge globally for general nonconvex functions. The numerical results show that both hybrid methods are efficient for the given test problems from the CUTE library.