Adding two matrix with different sparsity pattern


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8 months ago by
Hi,

I was wondering if there is a way of adding 2 different matrix with different sparsity pattern. More specifically, I have a matrix "assembled" in fenics and I want to add another self-constructed matrix (with the same dimension but different sparsity pattern to it). Is there a way to do it?

Thanks!
Community: FEniCS Project
That works!  Thanks so much!
written 7 months ago by Lik Chuan Lee  

1 Answer


1
8 months ago by

If you want A1+A2, I think you can try to use axpy and set the last argument to False.

A1.axpy(1.0, A2, False)
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