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Date: Mon, 2 Sep 2013 09:06:38 +0100
Subject: Re: Simplex Algorithm
From: Oscar Benjamin <oscar.j.benjamin@gmail.com>
To: Tommy Vee <xxxxx@xxxxxx.xxx>
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On Sep 2, 2013 2:31 AM, "Tommy Vee" <xxxxx@xxxxxx.xxx> wrote:
>
> Anyone know where I can get an easy to use Python class or algorithm for
the Simplex optimization algorithm?  I've tried the one in the link below,
but I can't figure out if a) I'm using it properly, or b) where to get the
solution.  BTW, I tried some test scenarios using MS Excel's "Solver" and
just can't get this algorithm to match Excel's results (which is spot on).
>
> http://taw9.hubpages.com/hub/Simplex-Algorithm-in-Python
>
> BTW, if I can't something to work, I'm going to be forced to use the VBA
programmatic Excel interface. That wouldn't be too bad, but the data comes
from a DB and getting it properly positioned to use Excel's "Solver" is
very painful.  A Python approach would be much cleaner.

Are you able to use scipy? It has the simplex algorithm (among many others)
in its optimize module:
http://docs.scipy.org/doc/scipy/reference/tutorial/optimize.html

Oscar

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<p><br>
On Sep 2, 2013 2:31 AM, &quot;Tommy Vee&quot; &lt;xxxxx@xxxxxx.xxx&gt; wrot=
e:<br>
&gt;<br>
&gt; Anyone know where I can get an easy to use Python class or algorithm f=
or the Simplex optimization algorithm? =A0I&#39;ve tried the one in the lin=
k below, but I can&#39;t figure out if a) I&#39;m using it properly, or b) =
where to get the solution. =A0BTW, I tried some test scenarios using MS Exc=
el&#39;s &quot;Solver&quot; and just can&#39;t get this algorithm to match =
Excel&#39;s results (which is spot on).<br>

&gt;<br>
&gt; <a href=3D"http://taw9.hubpages.com/hub/Simplex-Algorithm-in-Python">h=
ttp://taw9.hubpages.com/hub/Simplex-Algorithm-in-Python</a><br>
&gt;<br>
&gt; BTW, if I can&#39;t something to work, I&#39;m going to be forced to u=
se the VBA programmatic Excel interface. That wouldn&#39;t be too bad, but =
the data comes from a DB and getting it properly positioned to use Excel=
9;s &quot;Solver&quot; is very painful. =A0A Python approach would be much =
cleaner.</p>

<p>Are you able to use scipy? It has the simplex algorithm (among many othe=
rs) in its optimize module:<br>
 <a href=3D"http://docs.scipy.org/doc/scipy/reference/tutorial/optimize.htm=
l">http://docs.scipy.org/doc/scipy/reference/tutorial/optimize.html</a><br>=
</p>
<p>Oscar <br>
</p>

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