On Tchebycheff Approximation for Decreasing Functions

Tchebycheff Approximation in a Compact Metric Space

On Padé Approximation of Some Practical Functions

on padé approximation of some practical functions

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Decreasing Functions with Applications

The theory of increasing positively homogeneous functions deened on the positive orthant is applied to the class of decreasing functions. A multiplicative version of the inf-convolution operation is studied for decreasing functions. Modiied penalty functions for some constrained optimization problems are introduced which are in general nonlinear with respect to the objective function of the ori...

APPROXIMATION OF 3D-PARAMETRIC FUNCTIONS BY BICUBIC B-SPLINE FUNCTIONS

In this paper we propose a method to approximate a parametric 3 D-function by bicubic B-spline functions