Conjugate gradient method 16 Optimization 6 Unconstrained optimization 4 Exact line searches 3 Unconstrained optimization problems 3 Conjugate gradient algorithms 2 Convergence analysis 2 Efficiency 2 Global convergence properties 2 Globally convergent 2 Iterative methods 2 Line searches 2 Neural networks 2 Number of iterations 2 Numerical methods 2 Optimization method 2 Sufficient descent conditions 2 Wolfe line searches 2 global convergence 2 ANN algorithm 1 Adaptive filtering 1 Adaptive filters 1 Adaptive signal processing 1 Algorithm for solving 1 Algorithms 1 Artificial Neural Network 1 Back-propagation 1 Backpropagation 1 Biology 1 Brain models 1