# tf.raw_ops.TanhGrad

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Computes the gradient for the tanh of `x` wrt its input.

#### View aliases


**Compat aliases for migration**

See
[Migration guide](https://www.tensorflow.org/guide/migrate) for
more details.

[`tf.compat.v1.raw_ops.TanhGrad`](https://www.tensorflow.org/api_docs/python/tf/raw_ops/TanhGrad)

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    tf.raw_ops.TanhGrad(
        y, dy, name=None
    )

Specifically, `grad = dy * (1 - y*y)`, where `y = tanh(x)`, and `dy`
is the corresponding input gradient.

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| ## Args ||
|---|---|
| `y` | A `Tensor`. Must be one of the following types: `bfloat16`, `half`, `float32`, `float64`, `complex64`, `complex128`. |
| `dy` | A `Tensor`. Must have the same type as `y`. |
| `name` | A name for the operation (optional). |

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| ## Returns ||
|---|---|
| A `Tensor`. Has the same type as `y`. ||

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