1. dept of Electrical &;amp Computer Engineering, University of New Mexico, Albuquerque, USA
2. dept of Mathematics &;amp Statistics, University of New Mexico, Albuquerque, USA
3. dept of Mechanical Engineering, Isalmic Azad University, Tehran, Iran
4. dept of Civil, Construction, and Environmental Engineering, University of New Mexico, Albuquerque, USA
5. dept of Math, Science &;amp Engineering, Central New Mexico Community College, Albuquerque, USA