[SciPy-dev] SLSQP Constrained Optimizer Status

Rob Falck robfalck@gmail....
Wed Dec 19 19:49:08 CST 2007


Thanks for the heads up.  Passing the constraints via f_eqcons and f_ieqcons
needs more work.  I'll get on that asap.

On Dec 18, 2007 3:44 PM, dmitrey <dmitrey.kroshko@scipy.org> wrote:

> Hi Rob, could you check the line 224 (slsqp.py)
>
> a = numpy.concatenate( (fprime_cons(x),zeros([la,1])),1)
>
> I found the problem is here (lines 163-165):
>    meq = len(eqcons)        # meq = The number of equality constraints
>    m = meq + len(ieqcons)   # m   = The total number of constraints
>    la = array([1,m]).max()  # la  =
>
>
> So when user pass for example f_eqcons instead of eqcons, there is no
> appropriate handling of the situation in the code above these lines, so
> it produces la = 1 and error in concatenate.
>
> I will try to continue connecting slsqp to OpenOpt after you'll inform
> about fixing the bug, ok?
>
> Regards, D.
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>



-- 
- Rob Falck
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