[SciPy-user] Easy way to make a block diagonal matrix?

[Ivo Maljevic]

I am pretty sure kron() function doesn't work. I've used it both in matlab
and with scipy to insert zeros or repeat vectors.
Your function is very well written.



2009/5/20 Stéfan van der Walt <stefan at sun.ac.za>

> 2009/5/20 Joshua Stults <joshua.stults at gmail.com>:
> > Probably numpy.kron() already provides this functionality plus easily
> > generating more general block matrices:
> >
> > http://docs.scipy.org/doc/numpy/reference/generated/numpy.kron.html
>
> numpy.kron takes two arrays as input, so I'm not sure how that could
> work, especially for diagonal blocks with varying shapes?  Would you
> use object arrays? Could be that my brain has gone to bed already!
>
> Regards
> Stéfan
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