Re: piecewise linear approximation

["quat"]

> But before we go further, are we to assume a function
> is continuous on the closed interval [0,1], with second
> derivative continuous on the open interval (0,1)?  The
> notation you've used leaves me uncertain...
>
> regards, chip

Yes.  Continuous on closed with second derivative continuous on the open 
interval (0,1).

The exact bound I am to show is h^2 / 8 max |f ''(y)| y in (0, 1).