I am teaching a course for using a variety of software for
mathematics, and I am teaching a bit of Python.
I just downloaded sympy-0.6.4, but have never used it before.
(I have done other Python programming)
I had planned to present something on sympy but I cannot get it to
work at all---either on my XP Windows machine or in our Linux Lab.
My import sympy command fails.
For example on Windows I get:
Python 3.0.1 (r301:69561, Feb 13 2009, 20:04:18) [MSC v.1500 32 bit
(Intel)] on win32
Type "copyright", "credits" or "license()" for more information.
>>> from sympy import Symbol, cos
Traceback (most recent call last):
File "<pyshell#0>", line 1, in <module>
from sympy import Symbol, cos
File "C:\Python30\lib\site-packages\sympy\__init__.py", line 23, in
<module>
from sympy.core import *
File "C:\Python30\lib\site-packages\sympy\core\__init__.py", line 21
exec '%s = _cls()' % (_n)
^
SyntaxError: invalid syntax
>>>
Actually the above is with idle
I get almost the same message from command line in Windows except the
carat is in a slightly different location:
File "C:\Python30\lib\site-packages\sympy\core\__init__.py", line 21
exec '%s = _cls()' % (_n)\
^
I get the same message in our Linux lab.
Dennis Roseman
Department of Mathematics
University of Iowa
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