You can learn the basics of matlab software in winter vacation and lingo and spss after school. It is enough to learn these three softwares. There are three people in your group. You should set a general direction, that is, what are you responsible for in your group? Last year, I was in charge of programming. Speaking of matters needing attention, it is necessary to look at the first prize papers in previous years, which can be downloaded from the website of the Organizing Committee for Mathematical Modeling of College Students. In fact, the thesis of senior one in China is the same as that of senior one in China, but you can get senior one in China because you paid attention to the details in the title requirements when writing. For example, if you are vague in the topic, you have to give assumptions to get the result, so you should explain all your assumptions in your paper. I think the models you need to see are queuing theory, time sequencing, principal component analysis and regression analysis. If you can't see them, just wait for the information during the game. Meisai should still find a better translation tool on the Internet. I won the second prize in the national competition in September. I hope it will help you. How old are you?