Some more updates.

download_data.py

section_4.2_compute.py

setup.sh

utils_code/cv_rippa_ext.py

utils_code/dataset_collection.py

utils_code/hyperparameters.py

utils_code/kernels.py

utils_code/main_function.py

utils_code/optimized_kernel.py

utils_code/tkernels.py

utils_code/vkoga.py

utils_data/README.md

utils_data/custom_paths.py

utils_data/data.py

utils_data/download_data.py

utils_data/utils.py