[SciPy-user] Can SciPy compute ln(640320**3 + 744)/163**.5 to 30 places?
rdmoores at gmail.com
Sat Jan 13 13:55:29 CST 2007
On 1/13/07, A. M. Archibald <peridot.faceted at gmail.com> wrote:
> On 13/01/07, Dick Moores <rdmoores at gmail.com> wrote:
> > Is that SciPy at work? If so, it's no better than plain old Python:
> It sounds like what you want is arbitrary-precision arithmetic, which
> is not what scipy is for (see instead packages like clnum or dmath).
> NumPy is for calculating efficiently with large arrays of
> floating-point numbers at machine precision, and scipy is a package of
> scientific algorithms mostly taking advantage of numpy. While it is
> possible to combine arbitrary-precision arithmetic with numpy,
> arbitrary-precision arithmetic is exceedingly slow and unsuitable for
> most numerical tasks.
Thanks for the info.
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