gradienttape - Robuta Search

https://www.tensorflow.org/versions/r2.3/api_docs/python/tf/GradientTape tf.GradientTape | TensorFlow v2.3.0 tf tensorflow https://www.tensorflow.org/versions/r2.2/api_docs/python/tf/GradientTape tf.GradientTape | TensorFlow v2.2.0 tf tensorflow