Jiang Qiyuan, the one made up may have). -Learning related software and mathematical methods (MATLAB, Lingo, SAS, etc. )-Look at some questions from the past years-Do some old questions.
(2) To participate in the mathematical modeling competition, we must have a clear division of labor, arrange everyone's work in all aspects, and have leaders. When many questions are uncertain, someone needs to make a decision.
(3) To participate in domestic competitions, it is best to be more rigorous in papers and problem-solving ideas, and all aspects of problem-solving should be basically available and relatively complete in order to get high marks; In the American Championship, it is necessary to open your mind and put all your whimsy into it. It doesn't matter if the model established by some ideas is complicated. Can put forward ideas to solve the problem.
My own feelings, I hope they are useful!