Update 8 files

- /sopgpe_plots/load_and_plot_sopgpe.ipynb
- /sopgpe_plots/plot_rastrigin_rewards.ipynb
- /sopgpe_plots/square_rewards/2000_rastrigin_3000_iterations_2D_0.1_0.05_2023-04-19_09-31-35.png
- /sopgpe_plots/square_rewards/2000_rastrigin_3000_iterations_2D_0.1_0.05_2023-04-19_09-31-35_ylog.png
- /sopgpe_plots/square_rewards/sys_pgpe_ms_neweps_norm_samples_0.1_0.05_3000_2_2000_2023-04-19_09-31-35.npy
- /sopgpe_plots/square_rewards/sys_pgpe_neweps_norm_samples_0.1_0.05_3000_2_2000_2023-04-19_09-17-07.npy
- /sopgpe_plots/square_rewards/.ipynb_checkpoints/2000_rastrigin_3000_iterations_2D_0.1_0.05_2023-04-19_09-31-35-checkpoint.png
- /sopgpe_plots/square_rewards/.ipynb_checkpoints/2000_rastrigin_3000_iterations_2D_0.1_0.05_2023-04-19_09-31-35_ylog-checkpoint.png