## Modules [`experimental`](https://www.tensorflow.org/versions/r2.15/api_docs/python/tf/keras/backend/experimental) module ## Functions [`clear_session(...)`](https://www.tensorflow.org/versions/r2.15/api_docs/python/tf/keras/backend/clear_session): Resets all state generated by Keras. [`epsilon(...)`](https://www.tensorflow.org/versions/r2.15/api_docs/python/tf/keras/backend/epsilon): Returns the value of the fuzz factor used in numeric expressions. [`floatx(...)`](https://www.tensorflow.org/versions/r2.15/api_docs/python/tf/keras/backend/floatx): Returns the default float type, as a string. [`get_uid(...)`](https://www.tensorflow.org/versions/r2.15/api_docs/python/tf/keras/backend/get_uid): Associates a string prefix with an integer counter in a TensorFlow graph. [`image_data_format(...)`](https://www.tensorflow.org/versions/r2.15/api_docs/python/tf/keras/backend/image_data_format): Returns the default image data format convention. [`is_keras_tensor(...)`](https://www.tensorflow.org/versions/r2.15/api_docs/python/tf/keras/backend/is_keras_tensor): Returns whether `x` is a Keras tensor. [`reset_uids(...)`](https://www.tensorflow.org/versions/r2.15/api_docs/python/tf/keras/backend/reset_uids): Resets graph identifiers. [`rnn(...)`](https://www.tensorflow.org/versions/r2.15/api_docs/python/tf/keras/backend/rnn): Iterates over the time dimension of a tensor. [`set_epsilon(...)`](https://www.tensorflow.org/versions/r2.15/api_docs/python/tf/keras/backend/set_epsilon): Sets the value of the fuzz factor used in numeric expressions. [`set_floatx(...)`](https://www.tensorflow.org/versions/r2.15/api_docs/python/tf/keras/backend/set_floatx): Sets the default float type. [`set_image_data_format(...)`](https://www.tensorflow.org/versions/r2.15/api_docs/python/tf/keras/backend/set_image_data_format): Sets the value of the image data format convention.