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C++ API

 Create the laplacian operator.
 
 Lap = divand_laplacian(mask,pmn,nu,iscyclic)

 Form a Laplacian using finite differences
 assumes that gradient is zero at "coastline"

 Input:
   mask: binary mask delimiting the domain. 1 is inside and 0 outside.
         For oceanographic application, this is the land-sea mask.
   pmn: scale factor of the grid. 
   nu: diffusion coefficient of the Laplacian
      field of the size mask or cell arrays of fields

 Output:
   Lap: sparce matrix represeting a Laplaciant 

 

Package: divand