Notation Reference List https://www.amazon.com/Time-Forecasting-using-Deep-Learning/dp/9391392571/ref=asc_df_9391392571/?tag=hyprod-20&linkCode=df0&hvadid=532387267820&hvpos=&hvnetw=g&hvrand=12428709593327702844&hvpone=&hvptwo=&hvqmt=&hvdev=m&hvdvcmdl=&hvlocint=&hvlocphy=9009731&hvtargid=pla-1461594309584&psc=1&mcid=6a0b6e37078f3c179b9a99ff3d56b518&gclid=CjwKCAiAmsurBhBvEiwA6e-WPNc0mvxJgLlrd-tUt_bVsL5GB0Gu5QdwKg3goawRH9q-MMK3KhFkZhoCeBYQAvD_BwE