If I create the p-adics in the default way, p-adic numbers are power series:
K=Qp(7)
a=K(1/42)
print a
6*7^-1 + 5 + 5*7 + 5*7^2 + 5*7^3 + 5*7^4 + 5*7^5 + 5*7^6 + 5*7^7 + 5*7^8
+ 5*7^9 + 5*7^10 + 5*7^11 + 5*7^12 + 5*7^13 + 5*7^14 + 5*7^15 + 5*7^16 +
5*7^17 + 5*7^18 + O(7^19)
On the other hand, I can ask for p-adic digits too:
Kd=Qp(7,print_mode="digits")
a=Kd(1/42)
print a
...5555555555555555555.6
In certain contexts, I'd like to work in the power series mode up until
the end, but display my answer in digits mode. The only way I know how
to do this is to find the answer w and then use answer=Kd(w) to turn it
into digits. Is there an easier way? I expected something like print
a.digits() to work, but there's no such attribute.
Thanks,
Fernando
--
=============================================================
Fernando Q. Gouvea http://www.colby.edu/~fqgouvea
Carter Professor of Mathematics
Dept. of Mathematics and Statistics
Colby College
5836 Mayflower Hill
Waterville, ME 04901
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