% testvander.m% script file to test vandermonde implementationsx=(1:20)';      % column vector for input datam=20;               % highest power to computesf={'vander1','vander2','vander3','vander4','vander5','vander6'};t=zeros(size(sf));for k=1:length(t)   tic   for i=1:500      eval(sf{k})   end   t(k)=toc;endtr=t/min(t)