[plt-scheme] More PLT Scheme as an Alternative to Matlab

On Aug 13, Doug Williams wrote:
> That is the default. But, we want to user to be able to control the
> representation for numerical analysis reasons, too. So, we're
> allowing both.

But if you don't use external libraries, then you're better off just
checking the inputs, but use Scheme values directly.

-- 
          ((lambda (x) (x x)) (lambda (x) (x x)))          Eli Barzilay:
                    http://barzilay.org/                   Maze is Life!