Journal of Physics: Conference Series PAPER • OPEN ACCESS Some of Domain Matrix Lamda Defined By φ-function To cite this article: E S Rezeki et al 2018 J. Phys.: Conf. Ser. 1116 022038 View the article online for updates and enhancements. This content was downloaded from IP address 181.215.153.74 on 25/12/2018 at 11:23