On 23/11/2005, at 7:26 PM, Jonathan Guyer wrote:

> 
>  Well, I guess I find the result of:
> 
> >>> B = scipy.sparse.dok_matrix((3,3))
> >>> a = scipy.ones((3,))
> >>> B.setdiag(a,0)
> >>> print B.todense()
>       [[ 1.  0.  0.]
>        [ 0.  1.  0.]
>        [ 0.  0.  1.]]
> >>> B.setdiag(a,1)
> >>> print B.todense()
>       [[ 1.  1.  0.  0.]
>        [ 0.  1.  1.  0.]
>        [ 0.  0.  1.  1.]]
> 
>  to be surprising.
> 
>  I was expecting
> 
>       [[ 1.  1.  0.]
>        [ 0.  1.  1.]
>        [ 0.  0.  1.]]
> 

I agree this is more useful behaviour.  I've changed this in SVN and  
added an explicit resize() method for dok_matrices.

Thanks again for the feedback.

-- Ed

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