Kybernetes: Volume 9 Issue 2

ELEMENTS OF A CYBERNETIC THEORY OF PURPOSIVENESS

A. LOCKER

Only the elements of a theory of purposiveness are presented in this paper, the two main items being the effectiveness of a purpose with respect to a system and the generation of…

DECISIONS WITH ORDINAL PREFERENCES AND IMPORTANCES

R.R. YAGER

This paper investigates the multi‐criteria decision function in which the information available is just ordinal information on preferences and importance. A procedure is developed…

MODELLING OF COMPUTER COMMUNICATION NETWORKS VIA PROBABILISTIC AUTOMATA

CAROL A. NIZNIK

An interdisciplinary approach for computing the point‐to‐point message delay, a measure of congestion in a computer communication network, is derived by the inclusion of a…

GENERAL INPUT‐OUTPUT RELATIONS FOR THE ELECTRICAL BEHAVIOUR OF NEURONS

P.P. NELSON

Assuming that all neurons are built from the same molecular materials, as was discussed in a previous paper, we show that the electrical behaviour of each neuron can be…

A MODEL OF THE HAEMODYNAMIC ACTION OF CARDIOTONICS

J.P. MAINGUY, P. FURIA, N. UHART

Major cardiotonics are now widely used in reviving patients and we are concerned with shock following cardiac surgery. It is, however, difficult to use the most efficient of them…

MODEL BUILDING IN ECOLOGY—A HIERARCHICAL APPROACH

R. dE MALHERBE, V. TRITTO, M. dE MALHERBE

The necessity and utility of a hierarchical approach to model building in ecology is discussed. Some of the basic properties of hierarchies are described and criteria to discern…

ON CHOOSING BETWEEN FUZZY SUBSETS

R.R. YAGER

The problem of selecting the highest grade of membership of fuzzy subsets of type 2 and of choosing the most truthful of a group of fuzzy propositions involve making a choice…