Re:Eigenvectors and eigenvalues explained visually
by hangonhn on Tuesday January 20, 2015 @03:30PM
(#8919313)
The graphics is nice but the explanation is just terrible. There is a huge gap between the first part explaining vectors and then the part explaining eigenvectors.
"If you can draw a line through (0,0), v and Av, then Av is just v multiplied by a number λ; that is, Av=λv."
That makes no sense. How do you draw a line through a point to "v and Av"? What does "v and Av" even mean in that context?
Re:Eigenvectors and eigenvalues explained visually
by hangonhn on Tuesday January 20, 2015 @03:52PM
(#8919486)
That assumption should have been stated in the explanation and the graphics need to reflect that constraint, right? Or am I still missing something here?
"If you can draw a line through (0,0), v and Av, then Av is just v multiplied by a number λ; that is, Av=λv."
That makes no sense. How do you draw a line through a point to "v and Av"? What does "v and Av" even mean in that context?