STYLE: Remove sigma4factor
from StochasticGradientDescent Optimizers
#1270
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The local variable
sigma4factor
has been equal to1.0
for more than 16 years. (Starting with commit a90c96a, 16 Jan 2008).@stefanklein Looks like you introduced this constant with 27f26bf and then set it to
1.0
with the next commit (a90c96a), on the very same day, 16 Jan 2008. Do you agree that it may be removed now?