Piecewise Linear Interpolation With Nonequidistant Nodes
Authors:
Gancho T. Tachev
Affiliation:
Dept. of Mathematics , University of Architecture, Civil Engineering and Geodesy , Sofia , BG , 1421 , Bulgaria E-mail: gtt_fte@uacg.acad.bg
Abstract:
Pointwise and norm estimates for approximation of continuous function by piecewise linear interpolant with nonequidistant nodes are proved. Special attention is paid to the value of the absolute constants in front of the modulus.