COMSOL Forums: How does COMSOL do numerical differentiation? http://www.comsol.eu/community/forums/general/thread/3995/ Most recent forum messages Thu, 18 Mar 2010 16:32:22 +0000 COMSOL Forums: How does COMSOL do numerical differentiation? http://www.comsol.eu/shared/images/logos/comsol_logo.gif http://www.comsol.eu/community/forums/general/thread/3995/ How does COMSOL do numerical differentiation? http://www.comsol.eu/community/forums/general/thread/3995/#p10355 Dear all,<br /> <br /> I am curious how COMSOL does the numerical differentiation? What algorithm does it use? For example, we would like to find the electrical field after finding the potential distribution. How does COMSOL calculate the numerical gradient? Thanks.<br /> <br /> CMS Thu, 18 Mar 2010 16:32:22 +0000 3995.1268929942.10355