Creates a new optimizer object. If there are no parameters given for that particular argument, then that argument will use default value.
LearningRateStepDecay.new(decayRate: number, timeStepToDecay: integer): OptimizerObject
decayRate: The decay rate for learning rate.
timeStepToDecay: The number of time steps to decay the learning rate.
LearningRateStepDecay:setDecayRate(decayRate: number)
LearningRateStepDecay:setTimeStepToDecay(timeStepToDecay: integer)
Reset optimizer’s stored values (excluding the parameters).
LearningRateStepDecay:reset()