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Function File: [b] = bim3a_rhs (mesh, f, g)

Build the finite element right-hand side of a diffusion problem employing mass-lumping.

The equation taken into account is:

delta * u = f * g

where f is an element-wise constant scalar function, while g is a piecewise linear conforming scalar function.

See also: bim3a_reaction, bim3_laplacian, bim1a_reaction, bim2a_reaction.

Package: bim