List of Articles unconstrained optimization problem Open Access Article Abstract Page Full-Text 1 - A Free Line Search Steepest Descent Method for Solving Unconstrained Optimization Problems Narges Bidabadi Open Access Article Abstract Page Full-Text 2 - An Optimum Line Search for Unconstrained Non-Polynomial Test Functions Using Nonlinear Conjugate Gradient Methods Adam Ishaq Tolulope Latunde Folashade Jimoh