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This article is way too long and technical. Many of the sections should be their own articles. I'm going to slowly work on splitting it up and improving it. Feel free to help! ― JuPitEer ( talk) 10:41, 19 January 2016 (UTC) reply

@Jupiter: I am 100% behind you. The section on Neumann and Dirichlet BC should be located elsewhere. Lost-n-translation ( talk) 18:24, 8 September 2018 (UTC) reply