NETIESINIS MATEMATINIS INFORMACINIŲ SISTEMŲ KAINOS IR NAUDOS ANALIZĖS MODELIS
NONLINEAR MATHEMATICAL MODEL OF INFORMATION SYSTEM FOR COST-BENEFIT ANALYSIS

Summary/Abstract: The paper deals with mathematical economic model describing dependencies between system cost, benefi t, profi t and generalised quality parameter of information system. Methods of quality parameter defi nition are briefl y discussed. To specify model of an actual information system, it’s enough to know system characteristics that correspond to two different quality values. Detail algorithm of the model specifi - cation and its application to fi nd the highest profi t and corresponding quality parameter is presented. Analysis of model accuracy is performed, and possibilities of model employment are defi ned. The model can be used to estimate rational investments during development of business information systems.

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