What is Least Squares Estimation?

Explains Least Squares (LS) Estimation with two examples: 1. line-fitting a data set, and 2. digital communications. Derives the LS equation and shows how it can be viewed as a pseudo inverse. Related videos: (see http://iaincollings.com) • What is Fisher Information? https://youtu.be/82molmnRCg0 • What is an Adaptive Step Size in Parameter Estimation? https://youtu.be/Nwm1cngRta8 • What is the Kalman Filter? https://youtu.be/OiUS2926nQM • How are Matched Filter (MF), Zero Forcing (ZF), and MMSE Related? https://youtu.be/U3qjVgX2poM • MIMO Communications https://youtu.be/TC19gMQ6azE • What is Intersymbol Interference ISI? https://youtu.be/I087FUvW2ys • Signal Model for MIMO and CDMA https://youtu.be/q9LuY-WQNhw • What is a Decision Feedback Equalizer (DFE)? https://youtu.be/a5rDgnR5Kzs For a full list of Videos and Summary Sheets, goto: http://iaincollings.com