least squares
Noun
Meaning
a method of fitting a curve to data points so as to minimize the sum of the squares of the distances of the points from the curve
Source: WordNetSynonyms
Hypernyms
Examples
Algebraic distance This is a metric often used in computer vision that can be minimized by least squares estimation.
A least squares fit: in red the points to be fitted, in blue the fitted line.
For example, if the position of receiver 1 is known but the position of receiver 2 unknown, it may be possible to estimate the position of receiver 2 using numerical root finding and least squares.
However, once there, he began studying mathematics under Carl Friedrich Gauss (specifically his lectures on the method of least squares ).
In practice it is better to use linear least squares to determine the two amount concentrations from measurements made at more than two wavelengths.
In the simplest case this leads to least squares approximation.