We never discussed how to calculate \(||f-p||_{\infty}\). Maple has a function to do this, but it can be inaccurate. Most people will...
The supremum norm is given by \(||f-p||_{\infty}=\max_{a\le x\le b}|f(x)-p(x)|\). It is denoted by \(L^{\infty}\). Given a function...