decay rate
the inteval for lr decay
if true, iter / decayStep is an integer division and the decayed learning rate follows a staircase function.
update learning rate by config table and state table
update learning rate by config table and state table
init optiMethod.
(Since version 0.2.0) Please input SGD instead of Table
Exponential is a learning rate schedule, which rescale the learning rate by lr_{n + 1} = lr * decayRate
^
(iter / decayStep)
the inteval for lr decay
decay rate
if true, iter / decayStep is an integer division and the decayed learning rate follows a staircase function.