I was wondering if there exists similar functionality to PETScDMCollection.create_transfer_matrix in dolfin-x? That is, I need the transfer matrix between two different function spaces. from dolfinx.fem import Function, FunctionSpace from dolfinx.mesh import create_unit_square mesh1 = create_unit_…

See for instance: Interpolation between different meshes by massimiliano-leoni · Pull Request #1598 · FEniCS/dolfinx · GitHub Which is a proposed way of interpolating data from one mesh to another. A similar strategy could be used to create a transfer matrix

Is it possible to provide an example code or any hints to implement the create_transfer_matrix functionality?

Create_transfer_matrix functionality in dolfin-x

dokken October 12, 2023, 8:00am 4

See Interpolation matrix with non matching meshes - #14 by bay_swiss

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Create_transfer_matrix functionality in dolfin-x

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