tf.raw_ops.ResourceApplyAdam

Обновляет '*var' согласно алгоритму Adam.

tf.raw_ops.ResourceApplyAdam(
    var,
    m,
    v,
    beta1_power,
    beta2_power,
    lr,
    beta1,
    beta2,
    epsilon,
    grad,
    use_locking=False,
    use_nesterov=False,
    name=None
)

\[\text{lr}_t := \mathrm{lr} \cdot \frac{\sqrt{1 - \beta_2^t} }{1 - \beta_1^t}\]

\[m_t := \beta_1 \cdot m_{t-1} + (1 - \beta_1) \cdot g\]

\[v_t := \beta_2 \cdot v_{t-1} + (1 - \beta_2) \cdot g^2\]

\[\text{var} := \begin{cases} \text{var} - (m_t \beta_1 + g \cdot (1 - \beta_1))\cdot\text{lr}_t/(\sqrt{v_t} + \epsilon), &\text{if use_nesterov}\\\\ \text{var} - m_t \cdot \text{lr}_t /(\sqrt{v_t} + \epsilon), &\text{otherwise} \end{cases}\]