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Automatic differentiation with GradientTape

The means of automatic differentiation in TensorFlow.

1. create: tf.GradientTape()
2. compute gradients: tape.gradient(y, [x, ...])

• Synonyms
• Example: Scalar
• Example: Scalars (multivariate)
• Example: Vector and graph
• Gotcha: Only floats are supported
• Gotcha: Constants are ignored by default
• Gotcha: Tapes are single-use by default