Definition of least squares in English:

least squares

Line breaks: least squares

noun

[mass noun]
  • A method of estimating a quantity or fitting a graph to data so as to minimize the sum of the squares of the differences between the observed values and the estimated values.
    More example sentences
    • One thing is certain, to find the least squares polynomial the above linear system must be solved.
    • The general least squares process can be used to solve a set of equations for a set of unknowns.
    • For linear models, the least squares minimization is usually done analytically using calculus.

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