Comment #2 on issue 3330 by [email protected]: Taylor expansion wrong
for this expression?
http://code.google.com/p/sympy/issues/detail?id=3330
why does f.taylor_term(0,x) returns 1 where
def taylor_term(cls, n, x, *previous_terms):
"""General method for the taylor term.
This method is slow, because it differentiates n-times. Subclasses
can
redefine it to make it faster by using the "previous_terms".
"""
x = sympify(x)
return cls(x).diff(x, n).subs(x, 0) * x**n / C.factorial(n)
but f.diff(x,n).subs(x,0) * x**n / C.factorial returns (c**2)**(0.5). Can
someone explain.
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