SEARCH Articles Figures Tables Fitting Experimental Data to Linear Equations by Regression Least squares method linear fits Least-squares fit linear Least-squares fitting, linear Linear curve fitting Linear least-squares fitting methods Multiple linear regression. Least squares fitting of response surface models Non-linear curve-fitting Non-linear fit Non-linear fitting Non-linear least square fit Non-linear least-squares fit method Non-linear least-squares fitting Using the Solver to Perform Non-Linear Least-Squares Curve Fitting