Re: complexity of numerical software

Jean-Claude Arbaut wrote:

> it looks like in Maple, the elementary object is an "expression",
> which can be almost anything. In GAP, there are no expressions, only
> values: polynomials, finite groups, matrices, are _values_. That makes
> a great difference I think. Maybe I'm wrong...

I've never worked with GAP, but your description sounds a lot like the
way I usually use MuPAD. The ring of square matrices of size n over a
polynomial ring over a finite group is just another object, which
happens to be a datatype. Whether you use the term value or object
seems largely irrelevant to me.


Regards,
Christopher
.

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