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tensorflow.math.special.dawsn() function in Python
• Last Updated : 22 Jun, 2020

TensorFlow is open-source python library designed by Google to develop Machine Learning models and deep learning  neural networks.

## dawsn() function

dawsn() is used to compute element wise Dawson’s integral of x. It is defines as exp(-x**2) times the integral of exp(t**2) from 0 to x, with the domain of definition all real numbers.

Sytnax: tensorflow.math.special.dawsn( x, name)

Parameter:

• x: It’s a Tensor or Sparse Tensor. Allowed dtypes are float32 and float64.
• name(optional): It defines name for the operation.

Returns: It returns a Tensor of same dtype as x.

Example 1:

## Python3

 `# importing the library ` `import` `tensorflow as tf ` ` `  `# Initializing the input tensor ` `a ``=` `tf.constant([ [``-``5``, ``-``7``],[ ``2``, ``0``]], dtype``=``tf.float64) ` ` `  `# Printing the input tensor ` `print``(``'a: '``, a) ` ` `  `# Calculating result ` `res ``=` `tf.math.special.dawsn(a) ` ` `  `# Printing the result ` `print``(``'Result: '``, res) `

Output:

```a:  tf.Tensor(
[[-5. -7.]
[ 2.  0.]], shape=(2, 2), dtype=float64)
Result:  tf.Tensor(
[[-0.10213407 -0.07218097]
[ 0.30134039  0.        ]], shape=(2, 2), dtype=float64)
```

Example 2:

## Python3

 `# importing the library ` `import` `tensorflow as tf ` ` `  `# Initializing the input tensor ` `a ``=` `tf.constant([``1``, ``2``, ``3``, ``4``, ``5``], dtype``=``tf.float64) ` ` `  `# Printing the input tensor ` `print``(``'a: '``, a) ` ` `  `# Calculating result ` `res ``=` `tf.math.special.dawsn(a) ` ` `  `# Printing the result ` `print``(``'Result: '``, res) `

Output:

a:  tf.Tensor([1. 2. 3. 4. 5.], shape=(5,), dtype=float64)
Result:  tf.Tensor([0.53807951 0.30134039 0.17827103 0.129348   0.10213407], shape=(5,), dtype=float64)

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