Abstract Square contingency tables with ordinal classifications are used in many disciplines that include but not limited to data science, engineering, and medical research. This study proposes two original asymmetry models based on non-integer scores for the analysis of square tables. The quasi-symmetry model applies sets can be assigned known ordered all categories. When we assign equally spa...

the passenger line planning is a process of strategic long-term decision-making problem in the field of railway passenger planning. a line is a route between starting point and destination with certain stops, which has a certain frequency of train schedule. a new solution based on decomposition algorithm has been proposed in this paper, which is defined in a master problem and two sub problems....

We study the problem of reconstructing binary images from four projections data in a fuzzy environment. Given the uncertainly projections,w e want to find a binary image that respects as best as possible these projections. We provide an iterative algorithm based on fuzzy integer programming and linear membership functions.