Additional Key Words and Phrases: $L_1$ norm, $L_1$ approximation, $p$th power approximation, overdetermined system of linear equations, minimization, normal equations, nonlinear equations, Tchebycheff set, characteristics of the solution, Polya algorithm
Selected references
- Allen A. Goldstein, Norman Levine, and James B. Hereshoff. On the ``best'' and ``least Qth'' approximation of an overdetermined system of linear equations. Journal of the ACM, 4(3):341-347, July 1957.