1PetscDualSpace Object: Lagrange dual space 1 MPI process 2 type: lagrange 3 Dual space with 1 components, size 6 4 Continuous Lagrange dual space 5 Dual basis vector 0 6 Quadrature on a unknown of order -1 on 1 points (dim 2) 7 p0 (+0, -1) +1 8 Dual basis vector 1 9 Quadrature on a unknown of order -1 on 1 points (dim 2) 10 p0 (+0., +0.) +1 11 Dual basis vector 2 12 Quadrature on a unknown of order -1 on 1 points (dim 2) 13 p0 (-1, +0) +1 14 Dual basis vector 3 15 Quadrature on a unknown of order -1 on 1 points (dim 2) 16 p0 (-1, -1) +1 17 Dual basis vector 4 18 Quadrature on a unknown of order -1 on 1 points (dim 2) 19 p0 (+1, -1) +1 20 Dual basis vector 5 21 Quadrature on a unknown of order -1 on 1 points (dim 2) 22 p0 (-1, +1) +1 23