约束条件为D<=206.90140.53D<=d<=0.70DD^2+Dd+d^2<=0.28(D+d)目标函数为F=min(D^2+d^2)小弟matlab菜鸟,现在急需作出这道题目。请各位高手帮帮忙。写出程序啊,最好能有说明啊。这个条件D^2+Dd+d^2<=0.28(D+d)也可以变成3.1071D^2-D^3+3.1071d^2+d^3>=0