On the solution of system of fuzzy linear equations with real coefficients

The authors discuss different types of solutions of fuzzy linear equations with real coefficients Aν=u where A is a real matrix and u is a known vector consisting of fuzzy members. They introduce the exact solution, the approximate solution, and the LS-like approximate solution, and they give a sufficient and necessary condition for the existence of the exact and approximate solution of the system. The algorithm for obtaining the LS-like approximate solution which always exists is described. A computation example shows that the method is practicable