Re: GCD limitations



As far as I know,
it doesn't make sense to separate the formal variables
from the parameters for a GCD computation.  It makes
sense to distinguish a main variable for division with
remainder.
RJF


Martin RUBEY wrote:
> On Mon, 16 Jun 2003, Richard Fateman wrote:
> 
> 
>>I'm afraid that there will always be a chance of
>>commands not doing what people think they do.  If
>>you want to have an integerGCD, that might still
>>do  integerGCD(m,n)--> error, m and/or n is not
>>an integer....
>>
>>and polynomialGCD(2^n,4^n) --> ... non-polynomial
>>inputs.
> 
> 
> polynomialGCD makes sense only when we know which letters correspond to
> the formal variables.
> 
> So I'd propose something like
> 
> GCD(m,n); produces the "usual" GCD for integers m and n.
> 
> polyGCD(m,n,vars); produces the GCD of polynomials in vars.
> 
> Isn't this exactly the problem Axiom (and MuPad) (try to ??) solve?
> 
> Martin
> 
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