this was mainly to use an Iteration free method in this paper: https://www.cfm.brown.edu/faculty/gk/APMA2560/Handouts/GL_quad_Bogaert_2014.pdf https://www.cfm.b

this was mainly to use an Iteration free method in this paper: https://www.cfm.brown.edu/faculty/gk/APMA2560/Handouts/GL_quad_Bogaert_2014.pdf https://www.cfm.brown.edu/faculty/gk/APMA2560/Handouts/GL_qu... this method is much faster and simpler.