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[Ilmar Wilbers <ilmarw@xxxxxxxxx>]

> No I get this error:
> > Initializing PETSc (ignoring command-line arguments).
> > Traceback (most recent call last):
> >    File "demo.py", line 12, in <module>
> >      A[0, 0] = 4.0
> > TypeError: 'PETScMatrix' object does not support item assignment

In that case, you need to rebuild your swig-wrappers.

Ola

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The above is what Ola answered be. Doing a clean worked.

ilmar



Anders Logg wrote:
> When I run the la/eigensolver demo, I get
>
>     A[0, 0] = 4.0
>     TypeError: 'PETScMatrix' object does not support item assignment
>
> Wasn't this fixed? Did it disappear at some point?