فرمت فایل: ورد - Word قابلیت ویرایش تعداد صفحه : 5Operations 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 ...