% errdriver.m
% 
% This is a driver which explorers issues related to
% the error analysis for interpolating polynomials.

% Set up the fine grid so that we can plot the 
% true function.
x = [0:0.01:10];

% Plot the true function and its interpolant that
% gets returned by the function Pint.m
plot(x,f(x),'r-',x,Pint(0,10,x,3),'b-.');
xlabel('x');
ylabel('y');
title('f(x)=sin(x) and interpolating polynomial');