orange3-recommendation
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RuntimeWarning: overflow encountered in multiply
python 3.6.2 numpy 1.15.4+mkl Orange3 3.18.0 Orange3-Recommendation 0.1.3
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- Error information:
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if norm_feedback > 0: # Gradient Y
dx_yi = -eij/norm_feedback * Q[j, :]
+ lmbda * Y[feedback_u, :]
RuntimeError: Training diverged and returned NaN.