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Support solving for Dummy symbols in linsolve #9668

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merged 1 commit into from Jul 17, 2015

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aktech commented Jul 13, 2015

The following works now:

In [4]: M = Matrix([[1, 2, 1, 1, 7], [1, 2, 2, -1, 12], [2, 4, 0, 6, 4]])

In [5]: system = A, b = M[:, :-1], M[:, -1]

In [8]: x1= Dummy('x1')

In [9]: x2= Dummy('x2')

In [10]: x3= Dummy('x3')

In [11]: x4= Dummy('x4')

In [12]: linsolve(system, x1, x2, x3, x4)
Out[12]: {(-2*_x2 - 3*_x4 + 2, _x2, 2*_x4 + 5, _x4)}

Fixes #9667
@hargup @flacjacket

Support solving for Dummy symbols in linsolve
Signed-off-by: AMiT Kumar <dtu.amit@gmail.com>
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hargup commented Jul 17, 2015

+1

hargup added a commit that referenced this pull request Jul 17, 2015

Merge pull request #9668 from aktech/linsolve-dummy
Support solving for Dummy symbols in linsolve

@hargup hargup merged commit 551b6e1 into sympy:master Jul 17, 2015

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@aktech aktech deleted the aktech:linsolve-dummy branch Jul 25, 2015

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