Re: if-expression and variables

Oops, I forgot that 'parse' was never implemented in the InputForm
domain in the original Axiom.  In this case use:

 parse(s:String):InputForm =3D=3D ncParseFromString(s)$Lisp

Regards,
Bill Page.

On Mon, May 2, 2011 at 11:57 PM, Bill Page <[email protected]> wro=
te:
>
> Now the function that Stefan has in mind can be written in a fairly
> transparent manner.
>
> (3) -> ex:InputForm :=3D parse("if x<10 then 2*x else 5*x^2"); expr ex
>
> =A0 (3)
> =A0 if x < 10
> =A0 =A0 then 2x
> =A0 =A0 =A0 =A0 =A0 =A02
> =A0 =A0 else 5x
> =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 Type: OutputForm
>
> The function 'parse' returns an unevaluated input form for the
> expression inside "...". The function 'expr' prints this in a readable
> manner. (InputForm is displayed in this form by default in OpenAxiom.)
>