February 2018
Intermediate to advanced
262 pages
6h 59m
English
Content preview from Deep Learning with PyTorch
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Sigmoid
The sigmoid activation function has a simple mathematical form, as follows:
The sigmoid function intuitively takes a real-valued number and outputs a number in a range between zero and one. For a large negative number, it returns close to zero and, for a large positive number, it returns close to one. The following plot represents different sigmoid function outputs:
The sigmoid function has been historically used across different architectures, but in recent times it has gone out of popularity as it has one major drawback. When the ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.