[jira] [Commented] (MATH-1032) Recover final tableau values from SimplexSolver

["Renato Cherullo (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/MATH-1032?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13758331#comment-13758331 ] 

Renato Cherullo commented on MATH-1032:
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I realize that I didn't provide much specifics, but I couldn't find any reference to this kind of feature here or in the ML, so I just wanted to kick start the discussion.

Well, just adding a getter to the final tableau is clearly not enough. The SimplexTableau needs some new getters too, for example to retrieve the column which corresponds to the slack variable of a given constraint.

I'm willing to implement this, but I need some guidance.




                
> Recover final tableau values from SimplexSolver
> -----------------------------------------------
>
>                 Key: MATH-1032
>                 URL: https://issues.apache.org/jira/browse/MATH-1032
>             Project: Commons Math
>          Issue Type: Improvement
>    Affects Versions: 3.2
>            Reporter: Renato Cherullo
>
> When the Simplex algorithm finds an optimal solution, the tableau is full of useful information that (in the current implementation) can't be retrieved, like shadow prices, sensitivity info, etc.
> Thus, it would be great if a future version allowed for the retrieval of such information.

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