I am wondering how did they get the $19200$ possible configurations? Like, $5^6 = 15625$, where $6$ is the number of hyper-parameters:
1 Answer
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The total number is:
$$5 \times 5 \times 6 \times 4 \times 4 \times 8$$
which is equal to $19200$. Here, we just count the number of possible values for each parameter.