The basic concept of this method is that the selected Design Options should have the shortest distance from the ideal solution and the farthest from the negative-ideal solution (in a geometric sense). The Euclidean distance approach is used to evaluate the relative closeness of each Design Option to the Ideal solution. TOPSIS approach: • Create matrix with Design Options and Criteria • Assign Importance to Criteria • Enter Design Option data for each Criteria • Assign goal direction (Minimize or Maximize) • Compute and Evaluate Scores TOPSIS assumes that each Design Option wants to either be maximized or minimized, so the positive-ideal solution for a Criterion that wants to be maximized is the maximum value of all the design options considered and the negative-ideal solution is the minimum values of all the design options considered.

Topsis online software TOPSIS is one of the most widely used techniques of multi-criteria decision-making. M-alternatives are evaluated according to n-criteria in a TOPSIS technique. This technique is based on the principle that the selected alternative should have the least distance to the positive ideal and the most distance to the negative ideal. Features of TOPSIS online software: • Good price • HTML output: TOPSIS software provides researchers with all stages of formulas and diagrams of ranking alternatives in the form of HTML.

• Possibility of entering data from excel: researchers can copy a considerable volume of their data from excel and paste them in TOPSIS software. • Prioritization of m-alternatives according to n-criteria via expert’s k-opinions. You can enter each expert’s opinion into the software separately. • Prioritization of m-alternatives according to expert’s k-opinions: if you rank the alternatives with no criteria and just by the experts’ opinions, the software provides you with this capability. • No limitation in number of alternatives, criteria, and experts.

• Possibility of using demo version (free and with limitation). Fuzzy Decision Fuzzy Decision is a website which offers user-friendly services with the objective of helping researchers and practitioners to solve decision-making problems in a crisp and fuzzy environment. Users can receive final reports from the website through registering and entering the information about the problem in the corresponding software pages. The softwares are web-based and there’s no need to install them on your computers. Easy access, user convenience, and comprehensive reports in the form of HTML are the pivotal characteristics of our service.

For more information about the directions of application, refer to the software pages.

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