Least-squares linear fitting
non-linear least-squares fitting
least-squares algorithm linear fitting
constrained linear least-squares method
generalized linear least-squares estimation
least squares linear regression
Linear least squares method
non-linear least squares
non-linear least squares method
Non-linear least squares problems
non-singular linear least squares
pseudo-linear least squares
rank deficient linear least squares problem
simple linear least squares method
singular linear least squares method
B-spline least squares fitting