# 3 Ways to Create Random Tensors in Tensorflow 2

( 15 Articles)

This article shows you a couple of different ways to create random tensors with Tensorflow 2.

Table of Contents

## Using tf.random.Generator

Example:

```
import tensorflow as tf
test = tf.random.Generator.from_seed(123)
test = test.normal(shape=(2, 3, 4))
print(test)
```

Output:

```
tf.Tensor(
[[[ 0.8673864 -0.29899067 -0.93103355 -1.5828488 ]
[ 1.2481192 -0.67706424 0.01912649 -0.29333332]
[-0.35438988 0.07048975 -0.4882456 -0.56108433]]
[[-0.9890895 -0.47498497 -1.3177569 -1.748288 ]
[-1.6292503 0.48826346 -1.8867823 0.18151656]
[ 0.24483992 0.37554735 1.6184237 0.34223038]]], shape=(2, 3, 4), dtype=float32)
```

## Shuffling the Order of Elements in a Tensor

Another technique to produce a random tensor is to shuffle an existing tensor along its first dimension. The randomness is not high as using **tf.random.Generator** is in the example above but it is quite useful in some scenarios.

Example:

```
import tensorflow as tf
original = tf.constant([
[1, 2],
[3, 4],
[5, 6],
[7, 8],
[9, 10]
])
# Setting seed to get the same result everytime we run the code
tf.random.set_seed(123)
shuffled = tf.random.shuffle(original)
print(shuffled)
```

Output:

```
tf.Tensor(
[[ 3 4]
[ 7 8]
[ 5 6]
[ 1 2]
[ 9 10]], shape=(5, 2), dtype=int32)
```

## Creating Random Tensors from Numpy Arrays

You may not like this method but it’s good to know that it works.

Example:

```
import tensorflow as tf
import numpy as np
np.random.seed(10)
a = np.random.randint(1, 100, size=24)
b = tf.constant(a, shape=(2, 3, 4))
print(b)
```

Output:

```
tf.Tensor(
[[[10 16 65 29]
[90 94 30 9]
[74 1 41 37]]
[[17 12 55 89]
[63 34 73 79]
[50 52 55 78]]], shape=(2, 3, 4), dtype=int64)
```

## Conclusion

The examples above demonstrated how to make random tensors with Tensorflow. Add an additional resource, you can visit Tensorflow’s official documentation on tf.random.

If you’d like to learn more about the basics of Python and machine learning stuff, take a look at the following articles:

- Most Popular Deep Learning Frameworks
- Tensorflow 2 – Using tf.Variable examples
- Tensorflow – Converting Tensors to Numpy Arrays
- Python filter() function examples
- Examples of numpy.linspace() in Python

You can also check out our Machine Learning category page or Python category page for more tutorials and examples.