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tf.keras.backend.learning_phase

TensorFlow 2.0 version View source on GitHub

Returns the learning phase flag.

Aliases:

  • tf.compat.v1.keras.backend.learning_phase
  • tf.compat.v2.keras.backend.learning_phase
tf.keras.backend.learning_phase()

The learning phase flag is a bool tensor (0 = test, 1 = train) to be passed as input to any Keras function that uses a different behavior at train time and test time.

Returns:

Learning phase (scalar integer tensor or Python integer).