Final updates.

requirements.txt

section_4.1_compute_visualize.py

section_4.2_compute.py

section_4.2_visualize.py

section_4.3_compute.py

section_4.3_visualize.py

utils_code/dataset_collection.py

utils_code/main_function.py

utils_code/optimized_kernel.py

utils_data/custom_paths.py