Gradients

Gradients

by Jakhongir Saydaliev -
Number of replies: 2

Hello guys,

In semi-gradient, when we take the gradient w.r.t. w, why don't we have a "-" sign next to it? Do you think it is a type? Because, when we do an update on w, then we would not have a "-" sign, as we are doing a gradient descent, but on the gradient of error, I think we should have the "-" sign.


In reply to Jakhongir Saydaliev

Re: Gradients

by Michael Alain Hauri -

Hello,

Yes computing simply the derivative would include a minus sign. But as you said, it will cancel out when we apply gradient descent for the weights. You can find all the details of the computation in the Blackboard of week 5.

In reply to Michael Alain Hauri

Re: Gradients

by Jakhongir Saydaliev -
Thank you, I had not checked the balckboard.
Then, it is a little misleading on the slides, a "-" sign should have been included.