Obstacle problem in 2d and its aposteriori error estimate in matlab

The following Matlab project contains the source code and Matlab examples used for obstacle problem in 2d and its aposteriori error estimate. This software provides numerical result for a prepared paper of PETR HARASIM and JAN VALDMAN on VERIFICATION OF FUNCTIONAL APOSTERIORI ESTIMATES FOR OBSTACLE PROBLEMS IN 2D Type "start" to solve a 2D obstacle problem. More details will be provided later.

The source code and files included in this project are listed in the project files section, please make sure whether the listed source code meet your needs there.

Project Files: 

File NameSize
license.txt 1533
assembly_FEM_matrices_rectangle_bilinear.m 6771
assembly_FEM_matrices_rectangle_bilinearplusbubble.m 1920
assembly_FEM_matrices_rectangle_RT0.m 1141
compute_majorant.m 15195
evaluate_elements_average.m 260
evaluate_GRADvQ1.m 325
getEdges_rectangles.m 2724
integral_constant_times_nodal_2D.m 299
L2norm_fQ1_plus_muQ0_squared.m 466
aminv.m 1731
amsm.m 271
amsv.m 235
amt.m 382
amtam.m 280
astam.m 231
avtam.m 215
avtamav.m 83
avtav.m 139
conv_ma2av.m 214
phider.m 1710
shapeder.m 7355
shapefun.m 4144
smamt.m 273
svamt.m 260
linearForm_fQ0_vQ1.m 243
linearForm_fQ1plusbubble_vQ1.m 579
linearForm_fQ1_vQ1.m 313
mass_matrixP1_2D.m 214
mesh_setup.m 3710
prolongate.m 196
quadratic_form_elementwise.m 190
refinement_uniform_2D.m 8880
remove_elements_and_coordinates.m 1448
screen2jpeg.m 792
setup_f_and_u.m 2219
set_figure.m 63
show_constant_scalar.m 580
show_constant_scalar_frame.m 567
show_nodal_scalar.m 445
start.m 23664
stifness_matrixP1_2D.m 813
u_exact.m 4813
u_exact_ring_constant_obstacle.m 2126
u_exact_ring_spherical_obstacle.m 3849
u_exact_square_constant_obstacle.m 1121
visualize_solution.m 4975

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