List of Articles Jacobian matrix Open Access Article Abstract Page Full-Text 1 - On the Picard-Mann approach for hybridizing the double direction method for solving a system of nonlinear equations. Abubakar Halilu Aliyu kiri Mohammed Waziri Open Access Article Abstract Page Full-Text 2 - Performance Evaluation of the 3UPS-PRU Robot in the Workspace and Increasing Its Degrees of Freedom by Structural Modification فثظش hadineghad erfan mirshekari