I needed to derive some continued fractions and a quick search of the
index suggests that the Pari-GP function 'contfrac' might be what I
needed.
A simple test in the notebook:
gp('contfrac(sqrt(6))')
produced
[2, 2, 4, 2, 4, 2, 4, 2, 4, 2, 4, 2, 4, 2, 4, 2, 4, 2, 4,
2, 4, 2, 4, 2,
4, 2, 4, 2, 4, 2]
which is not exactly what I expected. I'd expect either:
[2;2,4]
or
[2,2,4,2,4,2,4,2,4,....]
the latter implying that the expansion continues. Does the result
given mean that
Pari is using a limited precision evaluation of sqrt(6)? I'd prefer
the first of my expected
results, giving a simple infinite continued fraction.
Bill
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