how to sum two matrices?

Yujie recrusader at gmail.com
Wed Dec 17 15:33:09 CST 2008


Hi, Barry

I want to do A=a1A1+a2A2. MatAXPY is just for Y = a*X + Y. Though I can
realize my application, it is not good. Do you have direct function for my
application? thanks a lot.

Regards,

Yujie

On Wed, Dec 17, 2008 at 1:17 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>
>  MatAXPY()
>
> On Dec 17, 2008, at 3:02 PM, Yujie wrote:
>
>  Hi,
>>
>> I have matrices A1 and A2. It is distributed in the cluster. Their
>> distribution is same
>>
>> I want to do A=a1A1+a2A2. How to do it? I can't find the suitble function.
>> thanks a lot.
>>
>> Regards,
>>
>> Yujie
>>
>>
>
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