This code implements an unconstrained optimization algorithm based on a non-monotone truncated Newton Method. At each iteration a truncated newton method, based on the conjugate gradient algorithm, is used to find the search direction the step size along the search direction is computed using a nonmonotone generalization of the Armijo s line search method. This algorithm is a detailed implementation of the work presented in A Truncated Newton Method with Nonmonotone Line Search for Unconstrained Optimization , L. Grippo, F. Lampariello, AND S. Lucidi. For more information on Non-Monotone Line search algorithms visit my home page at http://www.marioantonelli.it/.

demo_TNNL\main.m
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license.txt

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