Abstract

The spectral conjugate gradient (SCG) method is an effective method to solve large-scale nonlinear unconstrained optimization problems. In this work, we propose a new SCG method in which performance is numerically analyzed. We established the descent property and global convergence conditions based on assumptions through the strongWolfe-Powell line search. Numerical results were performed using benchmark functions widely used in many conventional functions to evaluate the efficiency of the proposed method.Subject Classification: 90C30, 90C06, 65K05, 65K10.

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