Bob, many thanks for posting those links - interesting stuff.
On Sat, Oct 27, 2018, 8:00 AM 'robert therriault' via Chat < [email protected]> wrote: > There is a channel on youtube called 3blue1brown where Grant Sanderson > does exceptional math videos. I have heard interest in quaternions > expressed in the J community so I will put in some links that provide > visual explanations of quaternions and how to visualize their actions > across 4 dimensions. > > Initial video introducing quaternions: > https://www.youtube.com/watch?v=d4EgbgTm0Bg > > Short video introducing an interactive tool to investigate quaternion > behaviour: https://www.youtube.com/watch?v=zjMuIxRvygQ > > Site containing the interactive videos https://eater.net/quaternions > (yes these videos are interactive and can be manipulated in real time!) > > Enjoy > > Cheers, bob > ---------------------------------------------------------------------- > For information about J forums see http://www.jsoftware.com/forums.htm ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
