D21190: Use kappa curve as a default implicit curve

[Yuri Chornoivan]

yurchor added a comment.


  In D21190#465401 <https://phabricator.kde.org/D21190#465401>, @aacid wrote:
  
  > it's kind of ugly though, is there any chance to make the other one faster?
  
  
  May it be an elliptic curve?
  
  y²=x³−x+1
  
  It is obvious that any equation with periodical functions should make KmPlot stuck at some scaling.
  
  On the other hand, all functions with asymptotic behavior are "ugly" at a large scale.
  
  There are some compendiums of "famous" functions (e. g. [1]), but I failed to find something really interesting on an arbitrary scale. That is the main reason for this review request.
  
  [1] https://elepa.files.wordpress.com/2013/11/fifty-famous-curves.pdf

REPOSITORY
  R334 KmPlot

REVISION DETAIL
  https://phabricator.kde.org/D21190

To: yurchor, #kde_edu
Cc: aacid, kde-edu, narvaez, apol
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