Updates:
Status: Started
Owner: mattpap
Labels: Milestone-Release0.7.0 NeedsReview Polynomial
Comment #1 on issue 1891 by mattpap: RootOf has subs problems
http://code.google.com/p/sympy/issues/detail?id=1891
This issue was fixed with new RootOf implementation (see issue 51 and
polys8), e.g.:
In [1]: RootOf(y**5 + 11*y - 2, 4)
Out[1]:
⎛ 5 ⎞
RootOf⎝y + 11⋅y - 2, 4⎠
In [2]: _.subs(y, x)
Out[2]:
⎛ 5 ⎞
RootOf⎝x + 11⋅x - 2, 4⎠
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