expunction

1. The Expunction of the Hidden Line Algorithm of Complexity Stereoscopic Objective
   复杂立体实物的消去隐线算法
2. The whole procedure of the algorithm needs only one matrix expunction computation before the main loop, so the computation load is smaller and the efficiency is higher.
   该方法提供的算法全过程只需要在主循环之前进行一次性的矩阵消去运算，其计算量较小，速度较快；

noun

1. deletion by an act of expunging or erasing

   Synonym:    expungingerasure