B-spline least squares fitting
least squares fitting function
least squares fitting method
least-squares polynomial
Linear least squares fitting
local least squares fitting
Multivariant least squares fitting
nonlinear least squares fitting
nonlinear least squares fitting method
non-linear least-squares fitting
nonlinear least-squares fitting
weight least squares fitting algorithm
a least squares fit program
a least-squares model-based
adaptive least-squares (ALS)