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On slide 11, shouldn't it be self.x.addgrad(self.x.grad*...) ? self.grad isn't defined, right?
There is no typo here. Self.grad is defined.
![ปฏิเสธไม่ไหว (Crush on you) - LIPTA feat. No One Else [Official MV]](http://i.ytimg.com/vi/NBw1jF342vw/mqdefault.jpg)
On slide 11, shouldn't it be self.x.addgrad(self.x.grad*...) ? self.grad isn't defined, right?
There is no typo here. Self.grad is defined.