| ▲ | ajkjk 4 hours ago | |
if they're unit vectors then yes that makes a lot of sense. The same calculation works in R^n, incidentally, using the geometric product. This is pretty much the ideal usecase for it, for constructing operators between vectors. | ||
| ▲ | srean 4 hours ago | parent [-] | |
Maybe that's my missing link for https://news.ycombinator.com/item?id=48619191 You probably know this, but this is one way to generalize beyond 2D | ||