matrix addition

Manav Bhatia manav at u.washington.edu
Thu Feb 15 03:29:00 CST 2007


ooppss.... totally missed it...
Thanks, :-)

Manav



On Feb 15, 2007, at 1:24 AM, #DOMINIC DENVER JOHN CHANDAR# wrote:

> How about MatAXPY() ?
>
>
> http://www-unix.mcs.anl.gov/petsc/petsc-as/snapshots/petsc-current/ 
> docs/
> manualpages/Mat/MatAXPY.html
>
>  Computes Y = aX + Y , where X, Y are matrices. Set a=1.
>
>
> -Dominic
>
>
>
> -----Original Message-----
> From: owner-petsc-users at mcs.anl.gov
> [mailto:owner-petsc-users at mcs.anl.gov] On Behalf Of Manav Bhatia
> Sent: Thursday, February 15, 2007 4:57 PM
> To: petsc-users at mcs.anl.gov
> Subject: matrix addition
>
> Hi,
>    I need to add two matrices, but I did not find a direct function to
> do so. Is there a specific reason not having a matrix addition  
> function?
>    In the absence of such a function, I am thinking of extracting each
> row of the two matrices and adding them. Would there be a more  
> efficient
> way to do the same?
>
>    Kindly help me with your advice.
>
> Thanks,
> Manav
>




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