数字模拟导论-讲座21 边界值问题-三维有限微分问题的求解 Jacob White Ek i Deepak Ramaswamy, Michal Rewienski, and Karen Very数字模拟导论 -讲座21 边界值问题 -三维有限微分问题的求解 Jacob White 感谢Deepak Ramaswamy, Michal Rewienski, and Karen Veroy