Update experiments

experiments/SIAM/xp_0_balls/make_fig_paper.sh

experiments/SIAM/xp_0_balls/poc.py

experiments/SIAM/xp_0_balls/poc_debug.py

experiments/SIAM/xp_0_balls/process_data.py

experiments/SIAM/xp_0_balls/viz.py

experiments/SIAM/xp_0_balls/viz_final.py

experiments/SIAM/xp_0_balls/xp_a_accuracy_sol.py

experiments/SIAM/xp_0_balls/xp_b_screening.py

experiments/SIAM/xp_0_balls/xp_verif_screening.py

experiments/SIAM/xp_0_balls/xp_viz_gen_sreening.py

experiments/SIAM/xp_0_balls/xpparams.py

experiments/SIAM/xp_1_balls/figs/xp0_gaussian 0..eps

experiments/SIAM/xp_2_bench_time/launcher.sh