数学建模中的高速路面寿命问题。这个是东北大学暑假建模第二次的试题答案。-Mathematical modeling of high-speed road life issues. Northeastern University this summer is the second model answers to the questions.

房地产问题的分析，这是东北大学暑假数学建模培训的第三次作业。用到回归分析等方法-Real estate analysis of the problem, which is Northeastern University summer training in mathematical modeling of the third operation. Regression analysis and other methods used

这个是基于恒星系统中的三恒星问题的数学建模，是东北大学暑期建模培训的第六题-This is based on the three-star system in the mathematical modeling of the star, is modeling training Northeastern University Summer sixth title