Elementwise multiplication of Tensors

[Maxi Miller]

Hei,

is there a function for the elementwise multiplication of Tensors? I could only find functions for the scalar product, but not the schur product.

Thanks!

[Wolfgang Bangerth]

On 6/5/19 3:22 PM, 'Maxi Miller' via deal.II User Group wrote:
> is there a function for the elementwise multiplication of Tensors? I could
> only find functions for the scalar product, but not the schur product.

You mean to compute
C_ij = A_ij * B_ij
? No, there isn't one right now. But it should easy to implement. In analogy
to scalar_product(), the best approach would probably a global function
schur_product(). Want to give this a try? We'd of course take the patch!

Cheers
W.

--
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Wolfgang Bangerth email: bang...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/

[Maxi Miller]

Something like this: https://github.com/dealii/dealii/pull/8307?

[Wolfgang Bangerth]

On 6/7/19 5:48 AM, 'Maxi Miller' via deal.II User Group wrote:
> Something like this: https://github.com/dealii/dealii/pull/8307?

Yes, exactly! Great start!