Tensorflow GradientTape - Simple Example

What does Tensorflow's GradientTape do? Why is GradientTape used?

This video will provide you with a very quick example of how GradientTape is used. You will first see the very easy math (Calculus Power Rule) to show how to get a derivative. Then, an application of this in a Jupyter Notebook.

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[Techdadphd]

Very helpful and so easily explained. We need more teachers like you!

[Roshan-xdtl]

Short, sweet and straight forward. Thanks Bill!

[laiscarraro]

great example, that's exactly what I was looking for. Thank you!

[muralidhar]

wow, the Goddess Saraswathi (Goddess of Learning) is hung on the wall.

[NguyenPhuc-zony]

That's very helpful for me. Thanks Bill!

[isotonicahacendada]

Hey, thanks for the explanation. I was a bit confuse, but you gave me some light

[jafetsierra]

Very helpful!. This was a simple and an excellent explanation of what gradientTape is and how it works.

[kartiksaini]

In a book tape.gradient is called outside of with block
I am confused there

input_var = tf.Variable(initial_value=3.)
with tf.GradientTape() as tape:
result = tf.square(input_var)
grad =tape.gradient(result, input_var)

[OFaruk]

You are very positive which is very nice

[arkadebmisra]

I see the picture of Godess Saraswati in the background, the Godess of knowledge. That's nice.

Thank you for the video

[theunnamed]

How to manipulate the calculated grads?