function [out,a,b] = taylor_error(N,x) % TAYLOR_ERROR - sup norm error between exp(x) and its N-term Taylor series % % Input : x can be a vector of x values. % Outputs: out = maximum (sup) of error over all x values % b = vector of absolute errors for each x value % a = vector of N-term Taylor series at each x value % Authors: Zaven and Alex a = 0; for i=0:N a = a + (x).^i/factorial(i); end b=abs(exp(x) - a); out=max(b);