Re: sigmoid function and derivative

2018-06-27 Thread Dan Stromberg
On Tue, Jun 26, 2018 at 8:26 PM, Sharan Basappa wrote: > Folks, > > I know this is not a machine learning forum but I wanted to see if anyone > can explain this to me. > > In artificial neural network, I can understand why sigmoid is used but I > see that derivative of si

Re: sigmoid function and derivative

2018-06-26 Thread Terry Reedy
On 6/26/2018 11:26 PM, Sharan Basappa wrote: Folks, I know this is not a machine learning forum but I wanted to see if anyone can explain this to me. In artificial neural network, I can understand why sigmoid is used but I see that derivative of sigmoid output function is used. I am not able

sigmoid function and derivative

2018-06-26 Thread Sharan Basappa
Folks, I know this is not a machine learning forum but I wanted to see if anyone can explain this to me. In artificial neural network, I can understand why sigmoid is used but I see that derivative of sigmoid output function is used. I am not able to understand why. For example: # convert