The definition of the Target update frequency in Reinforcement Learning Designer.

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Xian Zheng Hong
Xian Zheng Hong 2024-3-7
评论： Xian Zheng Hong 2024-3-16
In DDPG Agent, there are four networks. Online policy, Target policy, Online Q and Target Q.
The [Target update frequency] is used to the Target policy and Target Q in Reinforcement Learning Designer.
Are the Update frequency of the Online policy and Online Q same as the [Target update frequency] ?

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UDAYA PEDDIRAJU
UDAYA PEDDIRAJU 2024-3-12
Hi Xian,
No, the update frequency of the Online Policy and Online Q networks is not the same as the Target Update Frequency. The Target Update Frequency specifically applies to how often the Target Policy and Target Q networks are updated, which is typically less frequent or managed differently to ensure stability in learning.
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Xian Zheng Hong
Xian Zheng Hong 2024-3-16
Thanks for answering. Here is my another question.
Are the Online policy and Online Q updated at every time step in Reinforcement Learning Designer Toolbox?

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