sage: ZZ['x']
Univariate Polynomial Ring in x over Integer Ring
sage: F = NumberField(x^2+1)
---------------------------------------------------------------------------
<type 'exceptions.TypeError'> Traceback (most recent call
last)
/home/jvoight/<ipython console> in <module>()
/home/jvoight/sage/local/lib/python2.5/site-packages/sage/rings/
number_field/number_field.py in NumberField(polynomial, name, check,
names, cache)
238 """
239 if name is None and names is None:
--> 240 raise TypeError, "You must specify the name of the
generator."
241 if not names is None:
242 name = names
<type 'exceptions.TypeError'>: You must specify the name of the
generator.
Why must we name the generator? There are many situations that I just
need to work with the field without naming anything. Could we agree
on a default name, like 'a' or '$.1' or something?
JV
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