[SciPy-User] extracting diagonals efficiently from DIA matrix

[Juan Nunez-Iglesias]

Hey Gideon,

The diagonals are in the .data attribute, and the offsets in the .offsets attribute.

hth,

Juan.

On 2 Apr 2017, 5:42 PM -0400, Gideon Simpson <gideon.simpson at gmail.com>, wrote:
> If I have a matrix that was constructed using spdiags is there a routine that will efficiently extract the diagonals?
>
> -gideon
>
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