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may be some error in p1 gradient descent.py #2

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nevergiveuphe opened this issue Dec 18, 2018 · 0 comments

nevergiveuphe commented Dec 18, 2018

a = a - rateall_da
b = b - rateall_db

这两行之前应该需要
all_da = all_da/len(x)
all_db = all_db/len(x)

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