function Err = Swrapper(f,Miter)
% this function takes a function 'f'
% and a vector representing the 
% maximum iterations to run the 
% secant algorithm
 
LEN = length(Miter);
 
for i = 1:LEN
    [x, y, err, iter]  = secant(f,1,3,10^(-14),10^(-12),Miter(i));
    Err(i) = err;
end