{ }
Update '*var' as FOBOS algorithm with fixed learning rate.
tf.raw_ops.ResourceApplyProximalGradientDescent(
var, alpha, l1, l2, delta, use_locking=False, name=None
)
prox_v = var - alpha * delta var = sign(prox_v)/(1+alpha*l2) * max{|prox_v|-alpha*l1,0}
Returns | |
---|---|
The created Operation. |