LACTEA

[codesyntax lang=”python”]

from sympy import *
init_printing(use_unicode=False, wrap_line=False, no_global=True)

x = Symbol(‘x’)

n = Symbol(‘n’, integer=True, positive=True)

f = x*exp(-2*pi*I*n*x)

a = simplify(integrate(f, (x,0,1)))

print(a)

[/codesyntax]