I have been totally drawn in by Vanderbei’s sunset problem. I wrote up a re-analysis of it: http://www.shapeoperator.com/2016/12/12/sunset-geometry/ …https://twitter.com/stevenstrogatz/status/800136462612201472 …
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e.g., the bivector equations are talking about comparing areas. Imagine wiggling w and seeing areas change.pic.twitter.com/BivOb94zzx
nice! It's easier to perceive the diagrams at the beginning, but I'm sure there's a lot to learn from diagrams in the middle.
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