Dear all
I am doing this
const FE_DGQArbitraryNodes<dim,spacedim> fe(QGauss<1>(degree+1));
filter_matrix.reinit(fe.dofs_per_cell, fe.dofs_per_cell);
const FE_DGQArbitraryNodes<dim,spacedim> fe1(QGauss<1>(degree));
FETools::get_back_interpolation_matrix(fe, fe1, filter_matrix);
but this gives me compilation error
$ make
[ 20%] *Linking CXX executable swm*
Undefined symbols for architecture x86_64:
"void dealii::FETools::get_back_interpolation_matrix<2, double,
3>(dealii::FiniteElement<2, 3> const&, dealii::FiniteElement<2, 3> const&,
dealii::FullMatrix<double>&)", referenced from:
SWM::SWProblem<3>::make_grid_and_dofs() in swm.cc.o
ld: symbol(s) not found for architecture x86_64
Best
praveen
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