[OctDev] Re: Octave lp produces wrong results

[Paul K. <pki...@us...>]

Hans-Georg Beyer wrote:

>Dear Paul Kienzle,
>
>If you are still active in the field, here is my problem report:
>
Yes, but I'm about to go away for a bit.
Hopefully someone else on the list can look
into this.

Paul Kienzle
pki...@us...

>I compiled lp.cc and tried to use it with octave-2.1.50:
>
>octave-2.1.50:27> lp([1,1],[-1,0;0,-1;1,0;0,1],[-1,-1,3,3],[-10,-10],[10,10],0)
>ans =
>
>  10
>  10
>
>This is obviously wrong (solution is (1,1), constraints are just a rectangular 
>box [1,3]x[1,3]).
>
>Using only three arguments yields:
>
>octave-2.1.50:33> lp([1,1],[-1,0;0,-1;1,0;0,1],[-1,-1,3,3])
>error: lp: columns in the second argument do not match the fourth argument.
>
>Any idea how  to fix  this?
>