Mercurial > hg > tvii
view tvii/dot.py @ 31:fa7a51df0d90
[logistic regression] test gradient descent
author | Jeff Hammel <k0scist@gmail.com> |
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date | Mon, 04 Sep 2017 12:37:45 -0700 |
parents | bb8b6b06ca83 |
children |
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""" dot product """ def dot(w, x): """inner dot product""" assert len(w) == len(x) return sum([a*b for a, b in zip(w,x)])