Polynomials are probably the most usual types of functions out there, because they do not need any heavy machinery to be introduced: all one needs to know is how to add and multiply numbers. This alone justifies a discussion of polynomials. However, seeing polynomials as merely "simple functions" is reductive, and indeed, a more abstract … Continue reading Polynomials

Asymptotic comparison – II

This is the second post regarding the notion of asymptotic comparison. The first one dealt with equivalents, the rigorous way of saying "these two things look alike". This post is about little o, which describes what we mean by "this thing is much smaller than this other one". Yes, the "o" is the letter o, … Continue reading Asymptotic comparison – II