# AI News, Use TensorFlow reshape To Change The Shape Of A Tensor

- On Sunday, June 3, 2018
- By Read More

## Use TensorFlow reshape To Change The Shape Of A Tensor

We start by importing TensorFlow as tf.

In this video, we're going to use tf.reshape to change the shape of a TensorFlow tensor as long as the number of elements stay the same.

Let's start out with an initial TensorFlow constant tensor shaped 2x3x4 with numerical integer values between 1 and 24, all of whom have the data type of int32.

[ 1, 2, 3, 4],

[ 5, 6, 7, 8],

[ 9, 10, 11, 12]

[13, 14, 15, 16],

[17, 18, 19, 20],

[21, 22, 23, 24],

So we use tf.constant, we have our 2x3x4 tensor, we have the data type as int32, and we see the numbers are 1, 2, 3, 4, all the way through 24, and we assign it to the Python variable, tf_initial_tensor_constant.

For the first example, let's go from a tensor whose shape is 2x3x4 to a tensor whose shape is 2x12.

Note that the number of elements will stay the same as 2 x 3 x 4 is 24 and 2 x 12 is 24.

For the second example, let's change a tensor whose shape is 2x3x4 to a tensor whose shape is 2x3x2x2.

Note that the number of elements will stay the same as 2 x 3 x 4 is 24 and 2 x 3 x 2 x 2 is 24 as well.

For the third example, we're going to change a TensorFlow tensor whose shape is 2x3x4 to a vector of 24 elements.

We see that it's a TensorFlow tensor, we see that the shape is (24,), that means it's going to be a vector, the data type is int32.

We see that it's a 2x3x4 tensor, the numbers go from 1 to 24, and none of them have decimal points so we know that they're int32 numbers.

Perfect - we were able to use tf.reshape to change the shape of a TensorFlow tensor as long as the number of elements stay the same.

In this video, we're going to use tf.reshape to change the shape of a TensorFlow tensor as long as the number of elements stay the same.

Let's start out with an initial TensorFlow constant tensor shaped 2x3x4 with numerical integer values between 1 and 24, all of whom have the data type of int32.

[ 1, 2, 3, 4],

[ 5, 6, 7, 8],

[ 9, 10, 11, 12]

[13, 14, 15, 16],

[17, 18, 19, 20],

[21, 22, 23, 24],

So we use tf.constant, we have our 2x3x4 tensor, we have the data type as int32, and we see the numbers are 1, 2, 3, 4, all the way through 24, and we assign it to the Python variable, tf_initial_tensor_constant.

For the first example, let's go from a tensor whose shape is 2x3x4 to a tensor whose shape is 2x12.

Note that the number of elements will stay the same as 2 x 3 x 4 is 24 and 2 x 12 is 24.

For the second example, let's change a tensor whose shape is 2x3x4 to a tensor whose shape is 2x3x2x2.

Note that the number of elements will stay the same as 2 x 3 x 4 is 24 and 2 x 3 x 2 x 2 is 24 as well.

For the third example, we're going to change a TensorFlow tensor whose shape is 2x3x4 to a vector of 24 elements.

We see that it's a 2x3x4 tensor, the numbers go from 1 to 24, and none of them have decimal points so we know that they're int32 numbers.

Perfect - we were able to use tf.reshape to change the shape of a TensorFlow tensor as long as the number of elements stay the same.

- On Monday, June 1, 2020

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