Comment #1 on issue 2509 by [email protected]: matrices failure in master
http://code.google.com/p/sympy/issues/detail?id=2509
It fails for me on 32-bit architecture only. In isympy it gives:
In [2]: var('x_1, x_2')
Out[2]: (x₁, x₂)
In [3]: integrate(x_2*DiracDelta(x - x_2)*DiracDelta(x_2 - x_1), (x_2, -oo,
oo))
Out[3]: x₁⋅DiracDelta(x - x₁)
although, according to the test, it should give `x*DiracDelta(x - x_1)`.
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