Least Square Method, Curve Fitting, Python, Residual, Data.
the residual sum of squares, RSS): RSS(β) = Σ(yᵢ — f(xᵢ, β))² Now, we need to find the values of β that minimize the RSS. This is achieved by taking the partial derivative of the RSS with respect to each parameter βj and setting it to zero. Solving these equations simultaneously gives us the