John wrote:

> This is a basic mathematics/CS divide.  Mathematicians will expect
> their vectors of length n to have indices 1..n and similarly for
> matrices and so on.  The packages pari and magma use that convention
> accordinly, since they are written for mathematicians to be as close
> to mathematical notation as possible, and this is a great help to
> getting mathematicians to do computations.
>
> I think there's a real problem if we tell mathematicians tat to use
> SAGE properly they have to both learn programming in a language they
> have probably never heard of (sorry, but that is the case with pyhton
> and mathematicians) and also re-learn habits of a lifetime.  There is
> a very steep learning curve involved in learning a new package in any
> case -- it took me years to get a "feel for" magma, and I still don't
> have a good one for SAGE -- and it does not take a lot to put people
> off.
>
> Sorry if this sounds negative, but I have a feeling that sage-devel
> has more CS people in it than mathematicians!

What is Sage's target market?  It seems to me that determining an
answer to this question should be a high priority item :-)

ted

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