List of Articles Alireza Vahidi Article 1 - Comparing Numerical Methods for the Solution of the Damped Forced Oscillator Problem A. R. Vahidi Gh. Asadi Kordshooli Z. Azimzadeh Iranian Journal of Optimization , Issue 1 , Year , Winter 2010 Article 2 - Approximate Solution of the Second Order Initial Value Problem by Using Epsilon Modified Block-Pulse Function 20.1001.1.22286225.2019.9.4.4.3 Mahnaz Mohammadi Alireza Vahidi Saeid Khezerloo International Journal of Mathematical Modeling & Computations , Issue 5 , Year , Autumn 2019