On the Calculation of the Piecewise Linear Approximation to a Discrete Function

Authors:
J. Vandewalle
Affiliations:
Department of Electrical Engineering, Catholic University of Louvain
Venue:
IEEE Transactions on Computers
Year:
1975

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Abstract

A repeated scanning algorithm for determining the minimax approximation to an arbitrary function by means of a piecewise linear function with a fixed number of variable knots is described, and it is compared to optimal and suboptimal methods.