%0 Journal Article %T Adaptive strategies for system of fuzzy differential equation: application of arms race model %A Mondal, Sankar Prasad %A Khan, Najeeb Alam %A Razzaq, Oyoon Abdul %A Roy, Tapan Kumar %J Journal of Mathematics and Computer Science %D 2018 %V 18 %N 2 %@ ISSN 2008-949X %F Mondal2018 %X The paper presents adaptive stratagems to scrutinize the system of first order fuzzy differential equations (SFDE) in two modes, fuzzy and in crisp sense. Its fuzzy solutions are carried out using two approaches, namely, Zadeh's extension principle and generalized Hukuhara derivative (gH-derivative). While, different defuzzification techniques; central of area method (COA), bisector of area method (BOA), largest of maxima (LOM), smallest of maxima (SOM), mean of maxima (MOM), regular weighted point method (RWPM), graded mean integration value (GMIV), and center of approximated interval (COAI), are employed to discuss the crisp solutions. Moreover, the arms race model (ARM), which have a significant implication in international military planning, are pragmatic examples of system of first order differential equations, but not studied in fuzzy sense, hitherto. Therefore, ARM is re-established and studied here with fuzzy numbers to estimate its uncertain parameters, as a practical utilization of SFDE. Additionally, an illustrative example of ARM is undertaken to clarify the appropriateness of the proposed approaches. %9 journal article %R 10.22436/jmcs.018.02.07 %U http://dx.doi.org/10.22436/jmcs.018.02.07 %P 192--205 %0 Journal Article %T On fuzzy solutions for heat equation based on generalized Hukuhara differentiability %A T. Allahviranloo %A Z. Gouyandeh %A A. Armand %A A. Hasanoglu %J Fuzzy Sets and Systems %D 2015 %V 265 %F Allahviranloo2015 %0 Journal Article %T Fuzzy modelling in population dynamics %A L. C. Barros %A R. C. Bassanezi %A P. A. Tonelli %J Ecol. 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