[SciPy-dev] Difference between polynomial.trimcoef and trimseq

Charles R Harris charlesr.harris@gmail....
Sun Jan 24 00:00:10 CST 2010


On Sat, Jan 23, 2010 at 8:52 PM, David Goldsmith <d.l.goldsmith@gmail.com>wrote:

> Is the only difference that which is in the Notes of trimseq: "Do [sic?]
> not lose the type info if the sequence contains unknown objects"?
>
>
trimseq works on sequence types and doesn't attempt to turn them into
ndarrays, so does less work than trimcoef. trimseq is also used in as_series
where trimcoef can't be used because the latter calls as_series itself to
convert its arguments to ndarrays. I admit the distinction is not obvious at
first glance.

Chuck
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