Linear Least-Squares Curve-Fitting and Introduction to Nonlinear Curve-Fitting
Derivation of Linear Least-Square Curve-Fitting Formula and an introduction to curve-fitting for nonlinear functions using linearization in terms of the unknown parameters are discussed in this video.
Derivation of the best fitted line using the Least Square Method: 3:18
Overfitting, Training and Testing Data, and Selecting the Best Polynomial Order for Curve-Fitting: 34:50
Least-Squares Curve-Fitting Formula for general Polynomial: 46:54
Introduction to Nonlinear Curve-Fitting via Linearization in Terms of Parameters: 52:50