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least squares

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Definition of least squares in English:

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.
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.

Definition of least squares in:

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