例句與造句

1. This paper consists of three parts as follows , 1 . a nonsmooth convex programming is relaxed to a smooth convex programming by using a cutting - plane , which is constructed by subgradient . an algorithm based on the cutting - plane is presented . in this way , a cutting plane algorithm and it ' s convergence for semide ? nite programming are provided
   利用次微分的概念給出了一種非光滑凸規(guī)劃割平面的構(gòu)造技巧，找到了半定規(guī)劃可行域的一個(gè)支撐超平面，從而給出了求解半定規(guī)劃的一種割平面算法
2. It's difficult to find semide in a sentence. 用semide造句挺難的