#4367: plot gamma bug
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Reporter: jvoight | Owner: was
Type: defect | Status: new
Priority: major | Milestone: sage-3.2
Component: graphics | Keywords:
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{{{
sage: plot(gamma(x),(x,1,5))
}}}
Gives error.
{{{
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File
"/home/jvoight/.sage/sage_notebook/worksheets/jvoight/10/code/18.py", line
6, in <module>
plot(gamma(x),(x,Integer(1),Integer(5)))
File "/usr/local/sage/local/lib/python2.5/site-
packages/SQLAlchemy-0.4.6-py2.5.egg/", line 1, in <module>
File "/usr/local/sage/local/lib/python2.5/site-
packages/sage/functions/transcendental.py", line 106, in gamma
return CC(s).gamma()
File "/usr/local/sage/local/lib/python2.5/site-
packages/sage/rings/complex_field.py", line 211, in __call__
return x._complex_mpfr_field_( self )
File "/usr/local/sage/local/lib/python2.5/site-
packages/sage/calculus/calculus.py", line 1451, in _complex_mpfr_field_
raise TypeError
TypeError
}}}
There seems to be some confusing type error in coercion between floats and
complex numbers.
JV
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4367>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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