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Re:Graphical Linear Algebra by jonnybgood on Wednesday April 29, 2015 @08:20PM (#9462675)
I am not the author, but the blog series is based around this paper AFAIK: http://arxiv.org/abs/1403.7048
Re:Graphical Linear Algebra by mrcactu5 on Thursday April 30, 2015 @08:18AM (#9464558)
these diagrams are ubiquitous - it's funny they are the same diagrams in both electrical engineering and theoretical physics

e.g. Topological Quantum Field Theory http://tex.stackexchange.com/questions/17031/topological-qua...