> And b) ‘useful’ isn’t mathematics, it’s physics/biology/economics/whatever.
I don’t think that’s really true. There are cyclical/oscillatory behaviors within pure mathematics, for which complex numbers are useful. Just look at the other math article that’s on HN front page currently, on the Riemann Zeta function (John Baez blog post).
I don’t think that’s really true. There are cyclical/oscillatory behaviors within pure mathematics, for which complex numbers are useful. Just look at the other math article that’s on HN front page currently, on the Riemann Zeta function (John Baez blog post).