
zhang xintao thinks this is interesting:
Let f(n) and g(n) be functions mapping positive integers to positive real numbers. We say that f(n) is O(g(n)) if there is a real constant c > 0 and an integer constant n_{0} ≥ 1 such tha
Minimise
Let f(n) and g(n) be functions mapping positive integers to positive real numbers. We say that f(n) is O(g(n)) if there is a real constant c > 0 and an integer constant n_{0} ≥ 1 such tha
Minimise