public struct ParameterGroupOptimizer단일 파라미터 그룹에서 작동하는 옵티마이저.
선언
public init()선언
public var hyperparameters: HyperparameterDictionary선언
public var globals: [(HyperparameterDictionary, Device) -> Tensor<Float>]선언
public var localCount: Int선언
public var callbacks: [OptimizerCallback]선언
public var stateCount: Int