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It is the site of the study 21
"Optimization of potential energy Or Curves of the second order in statistics"
of the book
"2^5 Problems for STEM Education"
(in construction)
Mathcad Prime sheets in attach
More sheets and pictures on the chapter 21 here
https://community.ptc.com/t5/PTC-Mathcad/New-2018-Year/m-p/495771