[dune-pdelab] Searching for transferoperators

[Oliver Sander]

Hi Ruth,

dune-pdelab does not have such operators.  You can find sequential implementations
in dune-fufem.  Ansgar has extended those to parallel situations; ask him for
the details.

Cheers,
Oliver

On 25.01.2018 11:36, Ruth Schöbel wrote:
> Dear pdelab-experts,
> 
> I am on the way writing my own solver based on a multigrid concept and deal with vectors on different levels of a refined grid. Therefore I need some operators to transport them between:
> 
> 1. interpolation: take a coarse vector and return a fine one
> 
> 2. restriction: take a fine vector and multiply it with the transpose of the interpolation matrix
> 
> 
> 3. injection: take a fine vector and throw away the values which do not match with the coarse level
> 
> This operators also need to work with my parallel data.
> 
> Where do I find this transferoperators?
> 
> Best regards, Ruth
> 
> 
> 
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