Cauchy functional equation;
Modulus of continuity;
Ridge function;
APPROXIMATION;
D O I:
10.1016/j.jat.2018.09.006
中图分类号:
O1 [数学];
学科分类号:
0701 ;
070101 ;
摘要:
In this paper we prove that if a continuous multivariate function is represented by a sum of arbitrarily behaved ridge functions, then, under a suitable condition, it can be represented by a sum of continuous ridge functions. (C) 2018 Elsevier Inc. All rights reserved.