On Sat, 29 Nov 2003, William Springer wrote:
> Peter Ulrich Kruppa wrote:
> Well, I have the modulus set to n, but will taking the square (which, as
> you said, may be irrational) and then doing mod(whatever) give the right
> answer? I wouldn't think it would...
Me neither. I guess you have to invest some brainwork in the
definition of mod before, something like
sqrt(a) mod n = b is eq. to
b + kn = sqrt(a) for some k
and square the stuff. But I have to admit I haven't done things
like these for years.
At least you can use mod(m,n) to check your results.
Regards,
Uli.
>
> --
> William Springer
> University of Colorado at Denver
> Cogito cogito, ergo cogito sum.
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| Peter Ulrich Kruppa |
| - Wuppertal - |
| Germany |
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