[SciPy-dev] ticket 464
dmitrey
openopt at ukr.net
Thu Jul 26 10:54:18 EDT 2007
also, I think rank is better to be replaced by x.ndim
Am I right?
Regards, D.
dmitrey wrote:
> hi all,
> Nils proposed me to fix the ticket 464
> http://projects.scipy.org/scipy/scipy/ticket/464
>
> I found the problem is here:
>
> rank = len(x0.shape)# So matrix(0.3) yields shape (1,1) here => rank = 2
> if not -1 < rank < 2:
> raise ValueError, "Initial guess must be a scalar or rank-1
> sequence."
>
> I propose to fix it in the way:
>
> rank = len(x.shape)
> if not -1 < rank < 2:
> if x.shape == (1,1): x = x.flatten()#matrix(0.3) for example
> else: raise ValueError, "Initial guess must be a scalar or
> rank-1 sequence."
>
> If you don't mind (no other opinions during several hours) I will commit
> the change to svn.
> I found the same change should be done for optimize.fmin
> Regards, D.
>
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