Re: [Help-glpk] How to solve a dual problem

[glpk xypron]

Hello David

> 
> We´ve tryed the glp_get_row_dual and glp_get_col_dual
> but the number of rows and cols doesn´t seem to correspond to the dual
> problem.
>  

glp_get_row_dual and glp_get_col_dual retrieve the dual values
of the original rows and columns.

You get the matrix of the dual problem by transposition,
exchanging rows and columns.

http://en.wikipedia.org/wiki/Linear_programming#Duality

Best regards

Xypron
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