Updates:
Labels: EasyToFix
Comment #10 on issue 1028 by [email protected]: Sum().doit() doesn't do it
http://code.google.com/p/sympy/issues/detail?id=1028
The OP examples still aren't done and perhaps apart can be used to separate
the terms of expressions as given in [
http://code.google.com/p/sympy/issues/detail?id=1028#c2 ] (which is easy to
fix):
h[1] >>> Sum(1/(k*(k+1)), (k,1,n)).doit()
Sum(1/(k*(1 + k)), (k, 1, n))
h[2] >>> Sum(apart(1/(k*(k+1))), (k,1,n)).doit()
1 - 1/(1 + n)
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