On 2017-01-05 10:55, Daniel Krenn wrote:
> as there is no *canonical* coercion as no embedding of the number field
> is specified.
>
> How can I specify this embedding such that it is used e.g. for the
> symbolic I?
This looks weird: I is defined in sage.libs.pynac.pynac via
K = QuadraticField(-1, 'I', embedding=CC.gen(), latex_name='i')
pynac_I = K.gen()
so there is an embedding defined, but QQbar this seems to be not
sufficient to recognize it as an embedding into QQbar.
How can this be fixed?
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