Re: [Pysparse-users] ambiguous error using solvers: TypeError: matvec() takes exactly 2 arguments (3 given)

[Oz N. T. <na...@gm...>]

Hi,
Thanks for the answer - I should have mentioned such important info.
I am using pysparse from the debian squeeze repositories...

Cheers,

Oz

On Mon, Jun 13, 2011 at 3:01 PM, Dominique Orban
<dom...@gm...>wrote:

> On Mon, Jun 13, 2011 at 8:43 AM, Oz Nahum Tiram <na...@gm...> wrote:
>
>> Hi *,
>>
>> I am trying to solve a simple sparse system and I get an unclear error.
>> I have used the solvers before and never encoutered this error. Here is an
>> example:
>>
>> In [505]: print A
>> --------> print(A)
>>  1.000000      ---        ---        ---        ---
>>     ---     2.000000      ---        ---        ---
>>     ---        ---     3.000000      ---        ---
>>     ---        ---        ---     4.000000      ---
>>     ---        ---        ---        ---     5.000000
>>
>> In [506]: print b
>> --------> print(b)
>> [ 1.  2.  3.  4.  5.]
>>
>> In [507]: b
>> Out[507]: array([ 1.,  2.,  3.,  4.,  5.])
>>
>> In [508]: info, iter, relres = sp.itsolvers.bicgstab(A,b,x, tol, maxit)
>>
>> ---------------------------------------------------------------------------
>> TypeError                                 Traceback (most recent call
>> last)
>>
>> /home/ozdeb/aeg-master/python book/richards flow/RichardsPython/<ipython
>> console> in <module>()
>>
>> TypeError: matvec() takes exactly 2 arguments (3 given)
>>
>
> Hi Oz,
>
> What version of Pysparse are you using? Is this the Pysparse from Pypi or
> one from SVN?
>
> Thanks,
>
> --
> Dominique
>