We present a representation of fuzzy numbers and its application to the numerical solution of fuzzy differential (initial value) equations (FDE).

The paper illustrates a differential evolution (DE) algorithm to calculate the level-cuts of the fuzzy extension of a multidimensional real valued function to fuzzy numbers. The method decomposes the fuzzy extension engine into a set of "nested" min and max box-constrained op- timization...

This article presents the generalization of Zadeh’s extension principle for arithmetic operations on interactive fuzzy variables. Typical kinds of interactivity between financial analyses parameters in industrial enterprises are discussed later. These interactions make use of nonlinear...

Linear fractional stable motion is a type of a stochastic integral driven by symmetric alpha-stable L´evy motion. The integral could be considered as a non-Gaussian analogue of the fractional Brownian motion. The present paper discusses R package rlfsm created for numerical procedures with the...

Guyana was a proving ground for both the capitalist and socialist development ideas in the latter half of the 20th century. We analyze the problems and solutions for those experiment from the point of views of appraising their performances. Traditional theories such as input-output models,...

This study is the first of a series of studies, collectively embodying a multiphase mixed methods design. The overall objective of these studies is to explore and address a variety of issues and features of the discipline of economics, particularly as they relate to and represent past present...

There is increasing deployment of machine learning algorithms by financial institutions during and after the coronavirus pandemic. However, majority of these models are being implemented for credit risk management, anti-fraud and anti-money laundering use cases. Moreover, previous research and...

Neben einer theoretischen Analyse ausgewählter klassischer und moderner Performancemaßepräsentieren wir in diesem Papier eine speziell zum Zweck der Performanceanalyseentwickelte Erweiterung des Funktionsumfanges von MS-Excel. Der vorgestellte VBAQuellcodeermöglicht es, die beschriebenen...

Neben einer theoretischen Analyse ausgewählter klassischer und moderner Performancemaße präsentieren wir in diesem Papier eine speziell zum Zweck der Performanceanalyse entwickelte Erweiterung des Funktionsumfanges von MS-Excel. Der vorgestellte VBA-Quellcode ermöglicht es, die beschriebenen...