in this paper, we investigate the general fuzzy linear system of equations.  the  main aim of this paper is based on the embedding approach. we find the necessary and sufficient conditions for the existence of fuzzy solution of the mentioned systems.  finally, numerical examples are presented to more illustration of the proposed model.

Abstract We consider what we term existence-constrained semi-infinite programs. They contain a finite number of (upper-level) variables, regular objective, and existence constraints. These constraints assert that for all (medial-level) variable values from set infinite cardinality, there must exist (lower-level) second satisfy an inequality. Existence-constrained programs are generalization pro...