Hacker News new | past | comments | ask | show | jobs | submit login

They're not simply 2d numbers, though. ℝ^2 is also a 2d number, but has different multiplication rules, for example.



Intuitively elements of R2 are not numbers, they're vectors, or points in a 2 dimensional vector space. You can also treat complex numbers as vectors in the 2 dimensional complex plane.




Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact

Search: