[SciPy-user] scipy.optimise.lbfgsb /bounded optimization help

mclaugb mclaughlinbryan at yahoo.com
Sun Jan 28 17:43:57 CST 2007


I was using the abs function in the return value which was not actually 
giving a single scalar return value.  It now works.
Bryan

"Robert Kern" <robert.kern at gmail.com> wrote in message 
news:45BD175F.9050803 at gmail.com...
> mclaugb wrote:
>> If passed as a tuple, the error of my previous post occurs.
>>
>> "Value Error:  Setting an array element with a sequence"  The line of 
>> code
>> tries to add a tuple to ndarrays.
>
> No, it doesn't. It adds a tuple to a tuple.
>
>  (xk+ei,)+args
>
> (xk+ei,) is a tuple. args is a tuple.
>
>> Should something be modified?
>
> It appears that the RHS of that assignment is an array, not a scalar. 
> Permmin()
> must return a scalar. That is where the exception is coming from.
>
> -- 
> Robert Kern
>
> "I have come to believe that the whole world is an enigma, a harmless 
> enigma
> that is made terrible by our own mad attempt to interpret it as though it 
> had
> an underlying truth."
>  -- Umberto Eco 





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