Hello.
I am trying to compute sums with symbolic values as limits:
n = sympy.var("n")
SYMM = sympy.Symbol("M")
SYMN = sympy.Symbol("N")
SYMi = sympy.Symbol("i")
print sympy.Sum(SYMi, (SYMi, 0, SYMN - 1)).evalf()
This prints however Sum(i, (i, 0, N - 1)), instead of N*(N-1)/2
Could you please tell me if I can compute the final result as desired. I got inspired
from other code like sympy.Sum(1/n**2, (n, 1, sympy.oo)).evalf() or
sympy.nsimplify(sympy.Sum(1/n**2, (n, 1, sympy.oo)), [sympy.pi]), but I couldn't figure
out how to achieve my goal.
With best regards,
Alex Susu
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