⚠️ Warning: This is a draft ⚠️
This means it might contain formatting issues, incorrect code, conceptual problems, or other severe issues.
If you want to help to improve and eventually enable this page, please fork RosettaGit's repository and open a merge request on GitHub.
http://kukuruku.co/hub/funcprog/introduction-to-j-programming-language-2004 has a nice exposition on implementing convex hull in J.
For that matter, perhaps convex hull should be a rosettacode task? --[[User:Rdm|Rdm]] ([[User talk:Rdm|talk]]) 14:16, 1 June 2015 (UTC)