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mindspore2022/docs/api/api_python/train/mindspore.train.callback.Le...

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  1. .. py:class:: mindspore.train.callback.LearningRateScheduler(learning_rate_function)

  2. 

  3.     用于在训练期间更改学习率。

  4. 

  5.     **参数：**

  6. 

  7.     - **learning_rate_function** (Function) - 在训练期间更改学习率的函数。

  8. 

  9.     .. py:method:: step_end(run_context)

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  11.         在step结束时更改学习率。

  12. 

  13.         **参数：**

  14. 

  15.         - **run_context** (RunContext) - 包含模型的一些基本信息。