Haven't posted anything to this list in a long time. Posting to both lists
-- unsure of proper bin.
Searched & googled, couldn't find this previously reported or solved --
sorry if I'm spamming.
Running SAGE Version 3.1.2 on Ubuntu Linux in notebook, though about same
happened
command line.
*Scenario one:*
* f = x**2 # Quadratic function
g = f.derivative()
print g
print g(3)*
get*
*
* 2 x
6*
Good & wonderful.
*Scenario two:*
* f = x # Constant function
g = f.derivative()
print g
print g(3)*
get
* 1
Traceback (click to the left for traceback)
...
ValueError: the number of arguments must be less than or equal to 0*
* 1
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/home/dino/.sage/sage_notebook/worksheets/admin/3/code/15.py",
line 9, in <module>
print g(Integer(3))
File
"/home/dino/Desktop/sage-3.1.2-debian-x86_64-intel-x86_64-Linux/local/lib/python2.5/site-packages/SQLAlchemy-0.4.6-py2.5.egg/",
line 1, in <module>
File
"/home/dino/Desktop/sage-3.1.2-debian-x86_64-intel-x86_64-Linux/local/lib/python2.5/site-packages/sage/calculus/calculus.py",
line 1671, in __call__
raise ValueError, "the number of arguments must be less than or
equal to %s"%len(self.variables())
ValueError: the number of arguments must be less than or equal to 0*
Why does SAGE dislike calling a constant function a function?
Dean
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