Gemini chat window copied FRCMFD-v2: RADIAL OPERATOR (DIRICHLET DOF REMOVED)
================================================================================ FRCMFD-v2: RADIAL OPERATOR (DIRICHLET DOF REMOVED) Pure variational interior | No row overwrites | Exact symmetry ================================================================================ Full grid: 200 points, r[0]=0.100000 Reduced grid: 199 points (Dirichlet DOF removed) r[0]=0.300000, r[-1]=39.900000 [Building reduced operator...] L_r shape: (199, 199), nnz=595 W_r shape: (199, 199), nnz=199 [Symmetry check on reduced operator] Max asymmetry in M = W_r·L_r: 5.6843e-14 ✅ M is symmetric to machine precision [Bilinear test on reduced operator] Maximum residual: 1.8158e-15 ✅ Bilinear form passes (machine precision) ================================================================================ FINAL VERDICT ================================================================================ ✅✅✅ RADIAL OPERATOR IS EXACTLY SELF-ADJOINT ✅✅✅ - Dirichlet DOF removed (physica...