[HN Gopher] A Step by Step Backpropagation Example
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       A Step by Step Backpropagation Example
        
       Author : bryan0
       Score  : 65 points
       Date   : 2022-11-05 16:27 UTC (6 hours ago)
        
 (HTM) web link (mattmazur.com)
 (TXT) w3m dump (mattmazur.com)
        
       | metadat wrote:
       | The second link in TFA for the neural network visualization leads
       | to a heroku app 404 page. Is this a victim of Salesforce's recent
       | policy changes taking away free-tier apps?
       | 
       | http://www.emergentmind.com/neural-network
       | 
       | I'm hopeful it's only a typo. The level of detail and thoroughnes
       | in this article is remarkable.
        
       | utopcell wrote:
       | To me, there's no better description of backpropagation than this
       | Sanjeev Arora's et al post from 2016 [1].
       | 
       | [1] https://www.offconvex.org/2016/12/20/backprop/
        
       | ec109685 wrote:
       | Turns out our brains are pretty good at math.
        
         | 29athrowaway wrote:
         | There's no conclusive evidence that brains do backpropagation.
        
       | frgtpsswrdlame wrote:
       | I was just studying for a test where I had to do this. There's a
       | bunch of articles out there on how to do it but for my money,
       | this is the best calculation focused one:
       | https://www.anotsorandomwalk.com/backpropagation-example-wit...
       | 
       | And this is the best explanation focused one: https://alexander-
       | schiendorfer.github.io/2020/02/24/a-worked...
        
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       (page generated 2022-11-05 23:00 UTC)