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موضوع فارسی: پژوهش در عملیات   موضوع لاتین: Operations research   Operations research From Wikipedia, the free encyclopedia. Operations research, operational research, or simply OR, is the use of mathematical models , statistics and algorithms to aid in decision-making. It is most often used to analyze complex real-world systems, typically with the goal of improving or optimizing performance. It is one form of applied mathematics . Contents 1 Operations research in context ...