Dear Group,
I tried to sum a finite set of elements, each consisting of a call to an
undefined function:
import sympy
from sympy import *
k=symbols("k")
f=Function("f")
print("f(k)=",f(k))
print("sum=",sum(f(k),(0,k,10)))
This produced the following output:
f(k)= f(k)
Traceback (most recent call last):
File "C:\SymPyProject\test.py", line 6, in <module>
print("sum=",sum(f(k),(0,k,10)))
TypeError: 'f' object is not iterable
I would have expected to get:
f(0)+f(1)+f(2)+f(3)+f(4)+f(5)+f(6)+f(7)+f(8)+f(9)+f(10)
I'm using version 1.12rc1, but I'm 98% certain I got the same error with
1.11
Can anyone help?
David
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