##### STORING RESULTS HERE #####

Single User
User = 20, Item = 25

Past 5 Reachability
Matrix Factorization: 0.0001893, very quick
RNN: 0.0003756192072959087, very quick

Future 5 Reachability (num of parameters = 5)
Matrix Factorization: 0.0001591, took 23 minutes for 50*100

Future 5 Reachability (num of parameters = V)
Matrix Factorization: 0.0001575, took 24 minutes for 50*100

Past 5 stability
Matrix Factorization 5813.073953596587, very quick

Future 5 stability (num of parameters = 5)
Matrix Factorization: 373.8717830
For 50*100,
It will take 50 minutes + something strange is happening

MeZO Past Reachability:
Matrix Factorization: 0.0001571

MeZO Past Stability: 
Matrix Factorization: 202.96735252078636



