On 05/14/10 03:01 PM, Harald Schilly wrote:
I found a table by NIST comparing sage with other software packages.
It's probably interesting for what they are looking for and I think
some entries are missing (feedback link at the bottom). Maybe worth
checking this out for the future of sage development or building our
own table like that?
table: http://dlmf.nist.gov/software/#T1
related earlier thread from nov 2008:
http://groups.google.com/group/sage-devel/browse_thread/thread/eccccf67cffd4a84
H
Without reference to the version numbers of the software they comparing, such a
table is a next to useless.
One can't say "Sage can do X" but you don't list it, since there is no idea what
version of Sage they looked at. Likewise for the other packages. It's dated
"2010-05-07" but clearly does not reflect what Sage could do on that date.
According to that table, Mathematica can't do the Lambert W-Function. As a
non-mathematician, that does not mean a lot to me, but reading.
http://mathworld.wolfram.com/LambertW-Function.html
it says "The principal value of the Lambert W-function is implemented in
Mathematica as ProductLog[z]. Different branches of the function are available
in Mathematica as ProductLog[k, z], where k is any integer and k=0 corresponds
to the principal value. Although undocumented, LambertW[k, z] autoevaluates to
ProductLog[k, z] in Mathematica."
Nor, according to that table can Mathematica do interval arithmetic, yet there
is a tutorial on Interval Arithmetic in the Mathematica documentation.
http://reference.wolfram.com/mathematica/tutorial/IntervalArithmetic.html
IMHO, a school child could have done a better job. You don't need to be a
mathematician to know that comparing software, without reference to the version
numbers, is a bit silly.
Dave
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