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  1. import numpy as np
  2. from scipy.sparse.linalg import svds
  3. ui=ui.astype(float)
  4. u,sigma,vt=svds(ui,k=k)
  5. sigma=np.diag(sigma)
  6. rm=np.dot(np.dot(u,sigma),vt)
  7. return rm
  8. ui=np.array([[5,0,4,3,0],[0,0,5,0,0],[4,0,0,0,3],[0,0,4,4,0],[0,2,0,0,5]])
  9. k=2
  10. rm=svd.recommender(ui,k)
  11. print("rm")
  12. print(rm)
Success #stdin #stdout #stderr 0.01s 5304KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
stderr 
Error: near line 1: near "import": syntax error
https://ideone.com/9BR4OQ
language:
SQLite (sqlite 3.27.2)
created:
17 days ago
visibility:
public

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