## Abstract

We show that between two graphs, one of a radiant function and the other of a coradiant, both defined on a real interval containing 0, there exists at least one line which separates the graphs. The conditions for the uniqueness of a separating linear function are also established.

## Authors

**Costică Mustăța**

Tiberiu Popoviciu Institute of Numerical Analysis, Romania

## Keywords

Sandwich theorems; radiant functions; coradiant functions.

## Paper coordinates

C. Mustăța, *Sandwich theorems for radiant functions*, J. Numer. Anal. Approx. Theory, 44 (2015) no. 1, 81-90.

## About this paper

##### Journal

Journal Numer. Anal.Approx. Theory

##### Publisher Name

Publishing house of the Romanian Academy

##### Print ISSN

2457-6794

##### Online ISSN

2501-059X

google scholar link

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