This paper introduces an interval valued linear fractional programming problem (IVLFP). An IVLFP is a linear frac-tional programming problem with interval coefficients in the objective function. It is proved that we can convert an IVLFP...

The purpose of the study was to find the optimal cropping pattern, in Taybad, which maximizes the net return per water cubic meter and per fertilizer kilogram. A linear programming model and a fuzzy multi-objective fractional programming model were...

In this paper we introduce second-order cone programming. Then we convert fractional programming into secondorder cone programming and apply interior point method for solving second-order cone programming. Hence by solving second-order cone...