Abstract
Three common methods of determining criteria weights using the Analytic Hierarchy Process (AHP) are extent analysis, logarithmic least square method (LLSM) and Lambda-Max. Lambda-Max criteria weights determination method uses pair wise comparison of criteria considered. Studies have shown that Lambda-Max is a preferred criteria weight determination method since it involves lesser computation with consistent results of precise criteria weights generated. In this paper the criteria weights of four factors impacting the Melt Flow Index of degradable plastics are calculated using Lambda-Max method. The input factors (criteria) are the percentages by mass of polyethylene, oil palm biomass, palm olein and starch used in the formulation of degradable plastics. The criteria weights are calculated using Lambda-Max based on input given by four experts. The finding indicates the feasibility of using Lambda-Max method in criteria weight determination for determining the impact of four factors in the formulation of degradable plastics as reflected by the consistency control index value calculated.
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