Same here, felt like 'crying with joy'. I have been struggling to really understand and internalize eigen vectors for years now (even I used them for some of my

Same here, felt like 'crying with joy'. I have been struggling to really understand and internalize eigen vectors for years now (even I used them for some of my lab work). With this visualization, I felt like it had opened another, previously closed, door for me. I would like to donate to this author (and octave's author, on a separate note).