On Thu, 28 Jan 2010 at 04:21AM -0800, ablondin wrote: > Hello, everyone, > I would like to create a real number from its continued fraction > expansion. I know it is possible to call ``CFF([0,1,1,1,1,1,1]).value() > `` to have an approximation of the golden ratio, but I would like to > pass an iterator as an argument to the function ``CFF(...)`` so that I > can get a real number ``x`` represented by its continued fraction > expansion. As a consequence, for instance, I could get an arbitrary > precision about its digits by calling something like ``x.value(bits=50) > ``. > Does it already exist in Sage ? Or do I need to create such a > function ? Thank you !
I think you'll need to create the function. I'd like to see something
like that in Sage; it would be nice to create the golden ratio with
def f():
yield 0
while True:
yield 1
CFF(f())
Dan
--
--- Dan Drake
----- http://mathsci.kaist.ac.kr/~drake
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