MLP Based Tan-Sigmoid Activation Function for Cardiac Activity Monitoring Hashim Fakroul Ridzuan, Adnan Ja'afar, Ahmad Khairol Amali, Ahmad Jamil Syahrull Hi-Fi Syam and Januar Yulni MATEC Web Conf., 255 (2019) 03005 Published online: 16 January 2019 DOI: 10.1051/matecconf/201925503005