Params.m.


Params.m.


功能参数(文件名)%Copyright 2021,Gurobi优化,LLC %%使用与模狗万app足彩型相关的参数。用不同的参数组解决%%a mip几秒钟。选择具有最小MIP间隙的%,并且恢复优化%直到找到最佳解决方案。%读取模型fprintf('读取模型%s \ n',文件名);model = gurobi_read(文件名);ivars = find(model.vtype〜='c');如果长度(ivars)<= 0 fprintf('模型的所有变量是连续的,无什么可以做的\ n');返回;终端%设置2秒时间限制params.timelimit = 2;%现在用不同的mipfocus params.mipfocus = 0来解决模型的模型; result = gurobi(model, params); bestgap = result.mipgap; bestparams = params; for i = 1:3 params.MIPFocus = i; result = gurobi(model, params); if result.mipgap < bestgap bestparams = params; bestgap = result.mipgap; end end % Finally, reset the time limit and Re-solve model to optimality bestparams.TimeLimit = Inf; result = gurobi(model, bestparams); fprintf('Solution status: %s, objective value %g\n', ... result.status, result.objval); end