Comment #21 on issue 3148 by trel...@psu.edu: Too many constants from
dsolve()
http://code.google.com/p/sympy/issues/detail?id=3148
Figured it out. See pull request https://github.com/sympy/sympy/pull/2569
As an example: dsolve((x+1)*f(x).diff(x) - f(x)- 1,f(x))
In master: f(x) = C₁ + C₂ x
With this fix: f(x) = C₁ + C₁ x
However, there remain isses with constantsimp(). I have XFAIL'ed
some tests which this change has revealed to be incorrect.
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