orajjournal

• combinatorial optimisation • constraint satisfac system thinking deterioration inventory defuzzify trapezoidal fuzzy numbers fuzzy management approach government effectiveness public investment statistics and econometrics quantitative methods in banking and finance supply chain management soft system methods simulation scheduling queuing routing project management optimisation network optimisation mathematical programming inventory theory & applications game theory non-linear programming decision analysis and analytics data analytics constraint satisfaction combinatorial optimisation bi-level programming. decomposed method fully fuzzy quadratic non-linear programming probl variogram ordinary kriging metamodel lognormal kriging simulation optimization nearest neighbour meta heuristic heuristic np hard greedy algorithm travelling salesman problem 62j99. 62j05 62g05 62j02 nonlinear regression models. mathematics subject c residuals cook distance hat matrix other field crops preemptive goal programming land allocation maha season yala season salvage value rework deteriorating items linear time varying demand quadratic demand shortages partial trade credit. subject classification code: time deteriorating items penalty cost. shortage interval-valued function price-dependent demand inventory model fractional programming. future gadgets futurology technological devices educational technology lpp homotopy perturbation method lfpp factorisation performance heuristics capacitated facility location problem noether’s theorem local symmetries