lingo求助min=tob+tbc+tac;AM=((300-80)^2+(300-210)^2)^(1/2);OM=

学习时间:2026-04-06 17:33:28 阅读：7848

lingo求助min=tob+tbc+tac;AM=((300-80)^2+(300-210)^2)^(1/2);OM=(80^2+210^2)^(1/2);AC=(AM^2-R^2)^(1/2);OB=(OM^2-R^2)^(1/2);tob=OB/5;tac=AC/5;R/AM=@cos(AMC);R/OM=@cos(OMB);AO=(300^2+300^2)^(1/2);(AM^2+OM^2-AO^2)/(2*AM*OM)=@cos(AMO);BMC=2*@acos(-1)-AMC-OMB-AMO;BC=R*BMC;v=5/(1+@exp(10-0.1*R^2));tbc=BC/v;R>=10;R