Which is the best way to keep the pets from oversea diseases? [A] Leaving the pets at home. [B] Keeping the pets away form. insects. [C] Giving the pets preventative treatments. [D] Training the pets not to bite flies.
【简答题】非线性规划与线性规划的区别有( )A. 约束条件不同,线性规划全是线性成分,而非线性规划的约束条件有非线性成分; B. 最优解范围不同,线性规划的最优解只能在可行域的边界上找到,而非线性规划的最优解可能存在于可行域的任意一点; C. 线性规划存在统一的求解方法,而非线性规划问题没有一种适合于所有问题的求解方法; D. 线性规划问题易于解决,而非线性规划问题求解要困难的多;